diff --git a/src/generic/datectlg.cpp b/src/generic/datectlg.cpp
index 5ddadc3933..7a405e2c9b 100644
--- a/src/generic/datectlg.cpp
+++ b/src/generic/datectlg.cpp
@@ -252,7 +252,7 @@ private:
 
         return fmt;
 #else // !wxUSE_INTL
-        return wxT("x");
+        return wxS("%x");
 #endif // wxUSE_INTL/!wxUSE_INTL
     }