diff --git a/src/gtk/clipbrd.cpp b/src/gtk/clipbrd.cpp
index a6f6718be1..96d6da0c0f 100644
--- a/src/gtk/clipbrd.cpp
+++ b/src/gtk/clipbrd.cpp
@@ -24,6 +24,7 @@
 #include "wx/clipbrd.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/app.h"
     #include "wx/log.h"
     #include "wx/utils.h"
     #include "wx/dataobj.h"