diff --git a/interface/wx/app.h b/interface/wx/app.h
index dae434792a..e6a051ab73 100644
--- a/interface/wx/app.h
+++ b/interface/wx/app.h
@@ -1081,7 +1081,7 @@ public:
 
         @since 3.1.4
     */
-    bool OSXEnableAutomaticTabbing(bool enable);
+    void OSXEnableAutomaticTabbing(bool enable);
 
     //@}