diff --git a/addons/website_forum/data/badges_moderation.xml b/addons/website_forum/data/badges_moderation.xml
index 0a6f2d9925d..d99508bba51 100644
--- a/addons/website_forum/data/badges_moderation.xml
+++ b/addons/website_forum/data/badges_moderation.xml
@@ -35,7 +35,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_5')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')"/>
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -70,7 +70,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_6')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -105,7 +105,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_7')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -243,7 +243,7 @@ result = int(len(data) >= 15)</field>
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_31')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -278,7 +278,7 @@ result = int(len(data) >= 15)</field>
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_23')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
diff --git a/addons/website_forum/data/badges_participation.xml b/addons/website_forum/data/badges_participation.xml
index 04c2ab7e4d9..20a9b0eaf41 100644
--- a/addons/website_forum/data/badges_participation.xml
+++ b/addons/website_forum/data/badges_participation.xml
@@ -31,7 +31,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_p_1')"/>
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')"/>
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -66,7 +66,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_p_2')"/>
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')"/>
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -100,7 +100,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_25')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -123,7 +123,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_p_4')"/>
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')"/>
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -197,7 +197,7 @@ result = get_counter(cr, uid, context=context)
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_32')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
diff --git a/addons/website_forum/data/badges_question.xml b/addons/website_forum/data/badges_question.xml
index fd9c56636ff..ab05d8bcf7a 100644
--- a/addons/website_forum/data/badges_question.xml
+++ b/addons/website_forum/data/badges_question.xml
@@ -28,7 +28,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_1')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -63,7 +63,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_2')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -97,7 +97,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_3')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')"/>
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -133,7 +133,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_4')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -167,7 +167,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_5')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -201,7 +201,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_6')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -237,7 +237,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_7')"/>
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -271,7 +271,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_8')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')"/>
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -305,7 +305,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_9')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -339,7 +339,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_q_10')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>
@@ -374,7 +374,7 @@
             <field name="report_message_frequency">never</field>
             <field name="reward_id" eval="ref('badge_26')" />
             <field name="reward_realtime">True</field>
-            <field name="autojoin_group_id" eval="ref('base.group_user')" />
+            <field name="user_domain">[('karma', '>', 0)]</field>
             <field name="state">inprogress</field>
             <field name="category">forum</field>
         </record>