diff --git a/addons/marketing_campaign/marketing_campaign.py b/addons/marketing_campaign/marketing_campaign.py
index c3bfbca7ce4..83e5ed4f19f 100644
--- a/addons/marketing_campaign/marketing_campaign.py
+++ b/addons/marketing_campaign/marketing_campaign.py
@@ -341,7 +341,9 @@ class marketing_campaign_activity(osv.osv):
         'variable_cost': fields.float('Variable Cost'),
         'revenue': fields.float('Revenue'),
         'signal': fields.char('Signal', size=128,
-                              help='An activity with a signal can be called programmatically. Attention, that always create the workiten'),
+                              help='An activity with a signal can be called programmatically. Attention, the workitem is always created when the signal is send'),
+        'keep_if_condition_not_met': fields.boolean('Keep if condition not met',
+                                                    help="By activating this option, the workitems that aren't processed because the condition is not met are marked as cancelled instead of being deleted.")
     }
 
     _defaults = {
@@ -543,7 +545,10 @@ class marketing_campaign_workitem(osv.osv):
             campaign_mode = workitem.campaign_id.mode
             if condition:
                 if not eval(condition, eval_context):
-                    workitem.write({'state': 'cancelled'}, context=context)
+                    if activity.keep_if_condition_not_met:
+                        workitem.write({'state': 'cancelled'}, context=context)
+                    else:
+                        workitem.unlink(context=context)
                     return
             result = True
             if campaign_mode in ('manual', 'active'):
diff --git a/addons/marketing_campaign/marketing_campaign_view.xml b/addons/marketing_campaign/marketing_campaign_view.xml
index 4ac70292c32..1d07fc1e99c 100644
--- a/addons/marketing_campaign/marketing_campaign_view.xml
+++ b/addons/marketing_campaign/marketing_campaign_view.xml
@@ -228,7 +228,12 @@
                 
                 <separator string="Action" colspan="4"/>
                 <group colspan='4' col='4'>
-                    <field name="condition" colspan='4'/>
+                    <group colspan="4" col="6">
+                        <field name="condition" colspan='5'/>
+                        <group col='2'>
+                            <field name="keep_if_condition_not_met" />
+                        </group>
+                    </group>
                     <field name="type" width='100'/>
                     <group colspan='2' col='1'>
                         <group attrs="{'invisible':[('type','!=','email')]}" >