diff --git a/ChangeLog b/ChangeLog
index 3cccd73eb1..62ecea9db8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-10-15  Michael Natterer  <mitch@imendio.com>
+
+	* gdk/gdkapplaunchcontext.h (GDK_IS_APP_LAUNCH_CONTEXT): fix typo
+	in the type name so the macro becomes usable.
+
 2008-10-14  Christian Dywan  <christian@imendio.com>
 
 	556150 – gtk 'object' property test fixing
diff --git a/gdk/gdkapplaunchcontext.h b/gdk/gdkapplaunchcontext.h
index 95de92be37..cb53025c46 100644
--- a/gdk/gdkapplaunchcontext.h
+++ b/gdk/gdkapplaunchcontext.h
@@ -35,7 +35,7 @@ G_BEGIN_DECLS
 #define GDK_TYPE_APP_LAUNCH_CONTEXT         (gdk_app_launch_context_get_type ())
 #define GDK_APP_LAUNCH_CONTEXT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_APP_LAUNCH_CONTEXT, GdkAppLaunchContext))
 #define GDK_APP_LAUNCH_CONTEXT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GDK_TYPE_APP_LAUNCH_CONTEXT, GdkAppLaunchContextClass))
-#define GDK_IS_APP_LAUNCH_CONTEXT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDGDK_TYPE_APP_LAUNCH_CONTEXT))
+#define GDK_IS_APP_LAUNCH_CONTEXT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_APP_LAUNCH_CONTEXT))
 #define GDK_IS_APP_LAUNCH_CONTEXT_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GDK_TYPE_APP_LAUNCH_CONTEXT))
 #define GDK_APP_LAUNCH_CONTEXT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_APP_LAUNCH_CONTEXT, GdkAppLaunchContextClass))