diff --git a/gdk/gdkdisplaymanager.c b/gdk/gdkdisplaymanager.c
index 829083ae68..3975bbca47 100644
--- a/gdk/gdkdisplaymanager.c
+++ b/gdk/gdkdisplaymanager.c
@@ -36,6 +36,10 @@
 #include "x11/gdkx.h"
 #endif
 
+#ifdef GDK_WINDOWING_QUARTZ
+#include "quartz/gdkdisplaymanager-quartz.h"
+#endif
+
 
 /**
  * SECTION:gdkdisplaymanager
@@ -181,6 +185,11 @@ gdk_display_manager_get (void)
       if (backend == NULL || strcmp (backend, "x11") == 0)
         manager = g_object_new (gdk_x11_display_manager_get_type (), NULL);
       else
+#endif
+#ifdef GDK_WINDOWING_QUARTZ
+      if (backend == NULL || strcmp (backend, "quartz") == 0)
+        manager = g_object_new (gdk_quartz_display_manager_get_type (), NULL);
+      else
 #endif
       if (backend != NULL)
         g_error ("Unsupported GDK backend: %s", backend);