diff --git a/src/aui/framemanager.cpp b/src/aui/framemanager.cpp
index 9863ad5b7b..395adb8905 100644
--- a/src/aui/framemanager.cpp
+++ b/src/aui/framemanager.cpp
@@ -125,8 +125,8 @@ static void MakeWindowTransparent(wxWindow* wnd, int amount)
     SetWindowAlpha(handle, float(amount)/ 255.0);
 
 #else
-    wxUnused(wnd);
-    wxUnused(amount);
+    wxUnusedVar(wnd);
+    wxUnusedVar(amount);
 #endif
 }