diff --git a/cpukit/rtems/src/eventtimeout.c b/cpukit/rtems/src/eventtimeout.c
index 31eb04311e..4e595dede6 100644
--- a/cpukit/rtems/src/eventtimeout.c
+++ b/cpukit/rtems/src/eventtimeout.c
@@ -57,8 +57,8 @@ void _Event_Timeout(
          * count set to zero.
          */
         if ( !the_thread->Wait.count ) {
-          _Thread_Unnest_dispatch();
           _ISR_Enable( level );
+          _Thread_Unnest_dispatch();
           return;
         }