diff --git a/wxPython/src/_sizers.i b/wxPython/src/_sizers.i
index 1108fcbb18..fed0baca61 100644
--- a/wxPython/src/_sizers.i
+++ b/wxPython/src/_sizers.i
@@ -229,7 +229,7 @@ added, if needed.", "");
 
 
     DocDeclStr(
-        const wxSize& , GetSpacer(),
+        wxSize , GetSpacer(),
         "Get the size of the spacer managed by this sizer item.", "");
 
     DocDeclStr(