diff --git a/Contrib/Makensisw/utils.cpp b/Contrib/Makensisw/utils.cpp
index 9c494485..bc614525 100644
--- a/Contrib/Makensisw/utils.cpp
+++ b/Contrib/Makensisw/utils.cpp
@@ -514,7 +514,7 @@ void BuildMRUMenu(HMENU hMenu)
       }
 
       mii.dwTypeData = buf;
-      mii.cch = sizeof(buf);
+      mii.cch = lstrlen(buf)+1;
       mii.fState = MFS_ENABLED;
       InsertMenuItem(hMenu, IDM_MRU_FILE+i, FALSE, &mii);
     }