diff --git a/addons/base/static/src/css/base.css b/addons/base/static/src/css/base.css
index 412fb746a7a..7871d37d233 100644
--- a/addons/base/static/src/css/base.css
+++ b/addons/base/static/src/css/base.css
@@ -455,12 +455,12 @@ body.openerp {
     margin: 2px;
 }
 
-.openerp .searchview_extended_add_proposition, .openerp .searchview_extended_add_group {
+.openerp .searchview_extended_add_proposition span, .openerp .searchview_extended_add_group span {
     background: url(../img/icons/gtk-add.png) repeat-y;
     padding-left: 18px;
 }
 
-.openerp .searchview_extended_delete_group, .openerp .searchview_extended_delete_prop {
+.openerp .searchview_extended_delete_group span, .openerp .searchview_extended_delete_prop span {
     background: url(../img/icons/gtk-remove.png) repeat-y;
     padding-left: 18px;
 }
diff --git a/addons/base/static/src/xml/base.xml b/addons/base/static/src/xml/base.xml
index 4ff33735636..92090768012 100644
--- a/addons/base/static/src/xml/base.xml
+++ b/addons/base/static/src/xml/base.xml
@@ -492,7 +492,7 @@
         <t t-set="content">
             <div class="searchview_extended_groups_list"/>
             <button class="searchview_extended_add_group"
-                    type="button">Add group of conditions</button>
+                    type="button"><span>Add group of conditions</span></button>
         </t>
     </t>
 </t>
@@ -504,10 +504,10 @@
             <option value="none">None of the following conditions must match</option>
         </select>
         <button class="searchview_extended_delete_group"
-                type="button">Delete this group of conditions</button>
+                type="button"><span>Delete this group of conditions</span></button>
         <div class="searchview_extended_propositions_list">
         </div>
-        <button class="searchview_extended_add_proposition" type="button">Add condition</button>
+        <button class="searchview_extended_add_proposition" type="button"><span>Add condition</span></button>
     </div>
 </t>
 <t t-name="SearchView.extended_search.proposition">
@@ -523,7 +523,7 @@
         <select class="searchview_extended_prop_op"/>
         <span class="searchview_extended_prop_value"/>
         <button class="searchview_extended_delete_prop"
-                type="button">Delete this condition</button>
+                type="button"><span>Delete this condition</span></button>
     </div>
 </t>
 <t t-name="SearchView.extended_search.proposition.char">