diff --git a/configure.ac b/configure.ac
index 9a5145b3..bc4c16b6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -123,6 +123,8 @@ NAUTILUS_REQUIRED=2.91.4
 AC_SUBST([GLIB_REQUIRED])
 AC_SUBST([GTK_REQUIRED])
 
+AC_DEFINE([GDK_VERSION_MIN_REQUIRED], [GDK_VERSION_3_8], [Minimum GTK/GDK version required])
+
 GNOME_ICON_THEME_REQUIRED=2.17.1
 LIBXML_REQUIRED=2.5.0