diff --git a/src/common/event.cpp b/src/common/event.cpp
index 9896674c61..59f6bc004a 100644
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -1162,6 +1162,8 @@ wxEventFilter* wxEvtHandler::ms_filterList = NULL;
             // Skip the assert below.
             return;
         }
+
+        prev = f;
     }
 
     wxFAIL_MSG( "Filter not found" );