diff --git a/app/widgets/gimptextproxy.c b/app/widgets/gimptextproxy.c
index d46d52e4a9..5d388b1e06 100644
--- a/app/widgets/gimptextproxy.c
+++ b/app/widgets/gimptextproxy.c
@@ -23,6 +23,8 @@
 #include <gtk/gtk.h>
 #include <gdk/gdkkeysyms.h>
 
+#include "widgets-types.h"
+
 #include "core/gimpmarshal.h"
 
 #include "gimptextproxy.h"