diff --git a/Source/NSRunLoop.m b/Source/NSRunLoop.m
index 236aa37a2..14e468c22 100644
--- a/Source/NSRunLoop.m
+++ b/Source/NSRunLoop.m
@@ -901,6 +901,7 @@ const NSMapTableValueCallBacks ArrayMapValueCallBacks =
 	    }
 	}
     }
+  RELEASE(arp);
 
   _current_mode = saved_mode;
   RELEASE(arp);