diff --git a/gtk/src/gtk_config.cpp b/gtk/src/gtk_config.cpp
index 9c0ca4c1..069a36a6 100644
--- a/gtk/src/gtk_config.cpp
+++ b/gtk/src/gtk_config.cpp
@@ -5,7 +5,9 @@
 #include <libxml/parser.h>
 #include <libxml/tree.h>
 #include <libxml/xmlwriter.h>
+#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
+#endif
 #include <gtk/gtk.h>
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
diff --git a/gtk/src/gtk_display.cpp b/gtk/src/gtk_display.cpp
index 97511ddd..84168959 100644
--- a/gtk/src/gtk_display.cpp
+++ b/gtk/src/gtk_display.cpp
@@ -1,5 +1,7 @@
 #include <gdk/gdk.h>
+#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
+#endif
 #include <sched.h>
 
 #include "gtk_s9x.h"
diff --git a/gtk/src/gtk_preferences.cpp b/gtk/src/gtk_preferences.cpp
index 3534f57d..67b47474 100644
--- a/gtk/src/gtk_preferences.cpp
+++ b/gtk/src/gtk_preferences.cpp
@@ -1,7 +1,9 @@
 #include <string>
 #include <stdlib.h>
 #include <gdk/gdkkeysyms.h>
+#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
+#endif
 
 #include "gtk_preferences.h"
 #include "gtk_config.h"
diff --git a/gtk/src/gtk_s9x.cpp b/gtk/src/gtk_s9x.cpp
index 42794dcd..7c1a9622 100644
--- a/gtk/src/gtk_s9x.cpp
+++ b/gtk/src/gtk_s9x.cpp
@@ -2,7 +2,9 @@
 #include <sys/time.h>
 #include <signal.h>
 #include <gdk/gdk.h>
+#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
+#endif
 
 #include "gtk_s9x.h"
 #include "gtk_control.h"
diff --git a/gtk/src/gtk_s9xwindow.cpp b/gtk/src/gtk_s9xwindow.cpp
index eda007b9..0073fe53 100644
--- a/gtk/src/gtk_s9xwindow.cpp
+++ b/gtk/src/gtk_s9xwindow.cpp
@@ -1,5 +1,7 @@
 #include <gdk/gdk.h>
+#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
+#endif
 #include <gdk/gdkkeysyms.h>
 #include <cairo.h>
 #include <X11/Xatom.h>