diff --git a/gtk/gtkentrybuffer.h b/gtk/gtkentrybuffer.h
index cf2ddda..275aaa1 100644
--- a/gtk/gtkentrybuffer.h
+++ b/gtk/gtkentrybuffer.h
@@ -17,7 +17,7 @@
  * Boston, MA 02111-1307, USA.
  */
 
-#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
 #error "Only <gtk/gtk.h> can be included directly."
 #endif