diff --git a/src/ioc/db/dbEvent.c b/src/ioc/db/dbEvent.c
index 24d81a04a..53e7b5e36 100644
--- a/src/ioc/db/dbEvent.c
+++ b/src/ioc/db/dbEvent.c
@@ -931,11 +931,13 @@ static int event_read ( struct event_que *ev_que )
             UNLOCKEVQUE (ev_que);
             /* Run post-event-queue filter chain */
             if (ellCount(&pevent->chan->post_chain)) {
-                dbChannelRunPostChain(pevent->chan, pfl);
+                pfl = dbChannelRunPostChain(pevent->chan, pfl);
+            }
+            if (pfl) {
+                /* Issue user callback */
+                ( *user_sub ) ( pevent->user_arg, pevent->chan,
+                                ev_que->evque[ev_que->getix] != EVENTQEMPTY, pfl );
             }
-            /* Issue user callback */
-            ( *user_sub ) ( pevent->user_arg, pevent->chan,
-                ev_que->evque[ev_que->getix] != EVENTQEMPTY, pfl );
             LOCKEVQUE (ev_que);
 
             /*