1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/gnunet-gtk.c b/src/main/gnunet-gtk.c
index cc6c3c48..4a1aca19 100644
--- a/src/main/gnunet-gtk.c
+++ b/src/main/gnunet-gtk.c
@@ -24,7 +24,7 @@
  * @brief Gtk user interface for GNUnet
  */
 #include "gnunet_gtk.h"
-#ifdef GDK_WINDOWING_X11
+#if HAVE_GTK_GTKX_H
 #include <gtk/gtkx.h>
 #endif