diff --git a/src/effects/lv2/LV2Effect.cpp b/src/effects/lv2/LV2Effect.cpp
index dd48c3bd0..b39885492 100644
--- a/src/effects/lv2/LV2Effect.cpp
+++ b/src/effects/lv2/LV2Effect.cpp
@@ -55,7 +55,7 @@
 #endif
 
 #if defined(__WXMAC__)
-#include <Appkit/Appkit.h>
+#include <AppKit/AppKit.h>
 #endif
 
 // Define the static URI nodes