diff --git a/src/common/stockitem.cpp b/src/common/stockitem.cpp
index 0f54c36dc5..b065203e8f 100644
--- a/src/common/stockitem.cpp
+++ b/src/common/stockitem.cpp
@@ -116,7 +116,7 @@ const char *wxStockItemToGTK(wxStockItemID item)
     
     #define STOCKITEM_MISSING(stockid)    \
         case wx##stockid:                 \
-            return wxEmptyString;         \
+            return NULL;                  \
             break;
 
     #if GTK_CHECK_VERSION(2,4,0)