diff --git a/src/compositor/meta-window-group.h b/src/compositor/meta-window-group.h
index 9f0e12231..4aa3dd01f 100644
--- a/src/compositor/meta-window-group.h
+++ b/src/compositor/meta-window-group.h
@@ -38,7 +38,7 @@
 #define META_WINDOW_GROUP(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_WINDOW_GROUP, MetaWindowGroup))
 #define META_WINDOW_GROUP_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_WINDOW_GROUP, MetaWindowGroupClass))
 #define META_IS_WINDOW_GROUP(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_WINDOW_GROUP))
-#define META_IS_WINDOW_GROU_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_WINDOW_GROUP))
+#define META_IS_WINDOW_GROUP_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_WINDOW_GROUP))
 #define META_WINDOW_GROUP_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_WINDOW_GROUP, MetaWindowGroupClass))
 
 typedef struct _MetaWindowGroup        MetaWindowGroup;