diff --git a/mozilla/client.mak b/mozilla/client.mak
index f09ee001568..45962d46e0e 100644
--- a/mozilla/client.mak
+++ b/mozilla/client.mak
@@ -45,8 +45,8 @@ MOZ_OBJDIR = WIN32_O.OBJ
 #PSM_CO_TAG=SeaMonkey_M17_BRANCH
 #LDAPCSDK_CO_TAG=SeaMonkey_M17_BRANCH
 #ACCESSIBLE_CO_TAG=SeaMonkey_M17_BRANCH
-#IMGLIB2_BRANCH=SeaMonkey_M17_BRANCH
-#GFX2_BRANCH=SeaMonkey_M17_BRANCH
+#IMGLIB2_CO_TAG=SeaMonkey_M17_BRANCH
+#GFX2_CO_TAG=SeaMonkey_M17_BRANCH
 
 
 !if "$(MOZ_BRANCH)" != ""