diff --git a/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/rule_interaction_workflow/scripts/Predicate_updateMatrix.xml b/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/rule_interaction_workflow/scripts/Predicate_updateMatrix.xml
index 55c65bc53b89ce3016cbbf759dcde22bd8aab4c7..17b867715b10fe90ea3f0803afa095cc2c3ed528 100644
--- a/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/rule_interaction_workflow/scripts/Predicate_updateMatrix.xml
+++ b/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/rule_interaction_workflow/scripts/Predicate_updateMatrix.xml
@@ -68,7 +68,7 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>rule = state_change.object.getParentValueb()\n
+            <value> <string>rule = state_change.object.getParentValue()\n
 \n
 if rule.getPortalType() in (\'Invoice Transaction Rule\', \'Payment Rule\') :\n
   rule.updateMatrix()\n
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index e26ed8de06b5a9b25d370db9da4ad65bbc26f66b..0e92c3c0fc954ea08c56cf2c6b18bd68a0c7879b 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-305
\ No newline at end of file
+306
\ No newline at end of file