diff --git a/src/generic/timectrlg.cpp b/src/generic/timectrlg.cpp
index a6fa14549c..e474338db6 100644
--- a/src/generic/timectrlg.cpp
+++ b/src/generic/timectrlg.cpp
@@ -414,6 +414,7 @@ private:
 
             case Field_Max:
                 wxFAIL_MSG( "Invalid field" );
+                return;
         }
 
         UpdateText();