diff --git a/CEP/BB/BBSControl/sql/create_blackboard_triggers.sql b/CEP/BB/BBSControl/sql/create_blackboard_triggers.sql
index 1310e5bee5ecee911022597dbecbbfb7afa4d498..deaf58f470a9dde36f2569e2962c2598e106054a 100644
--- a/CEP/BB/BBSControl/sql/create_blackboard_triggers.sql
+++ b/CEP/BB/BBSControl/sql/create_blackboard_triggers.sql
@@ -14,9 +14,9 @@ $$
     BEGIN
         cmd_type := "Type" FROM blackboard.command WHERE id = NEW.command_id;
         
-        IF cmd_type ~ 'initialize|finalize|nextchunk' THEN
+        IF cmd_type ~ '^initialize$|^finalize$|^nextchunk$' THEN
 --            RAISE NOTICE 'NOTIFY %', quote_ident(TG_NAME) || '_' || cmd_type;
-            EXECUTE 'NOTIFY ' || quote_ident(TG_NAME) || '_' || cmd_type;    
+            EXECUTE 'NOTIFY ' || quote_ident(TG_NAME || '_' || cmd_type);
         END IF;
 
         RETURN NULL;