diff --git a/panda/src/effects/cgShader.h b/panda/src/effects/cgShader.h
index 6869e9b3cb..96964fc115 100755
--- a/panda/src/effects/cgShader.h
+++ b/panda/src/effects/cgShader.h
@@ -103,7 +103,7 @@ PUBLISHED:
       TRFIDENTITY,
       TRFTRANSPOSE,
       TRFINVERSE,
-      TRFINVERSE_TRANSPOSE,
+      TRFINVERSETRANSPOSE,
   };
 
   CgShader(const string &name, const string &v_s , const string &f_s);