diff --git a/src/eggsmclient-private.h b/src/eggsmclient-private.h
index eebf884..dc07ea4 100644
--- a/src/eggsmclient-private.h
+++ b/src/eggsmclient-private.h
@@ -20,7 +20,9 @@
 #ifndef __EGG_SM_CLIENT_PRIVATE_H__
 #define __EGG_SM_CLIENT_PRIVATE_H__
 
+#if !GTK_CHECK_VERSION (3, 0, 0)
 #include <gdkconfig.h>
+#endif
 #include "eggsmclient.h"
 
 G_BEGIN_DECLS