diff --git a/include/osg/Drawable b/include/osg/Drawable
index 9de19b61b..25897cb0b 100644
--- a/include/osg/Drawable
+++ b/include/osg/Drawable
@@ -438,8 +438,8 @@ class OSG_EXPORT Drawable : public Object
             COLORS              = 3,
             SECONDARY_COLORS    = 4,
             FOG_COORDS          = 5,
-            ATTIBUTE_6          = 6,
-            ATTIBUTE_7          = 7,
+            ATTRIBUTE_6         = 6,
+            ATTRIBUTE_7         = 7,
             TEXTURE_COORDS      = 8,
             TEXTURE_COORDS_0    = TEXTURE_COORDS,
             TEXTURE_COORDS_1    = TEXTURE_COORDS_0+1,