diff --git a/client.mak b/client.mak
index 45962d46e0e9..6613673cf835 100644
--- a/client.mak
+++ b/client.mak
@@ -43,6 +43,7 @@ MOZ_OBJDIR = WIN32_O.OBJ
 #MOZ_BRANCH=SeaMonkey_M17_BRANCH
 #NSPR_CO_TAG=SeaMonkey_M17_BRANCH
 #PSM_CO_TAG=SeaMonkey_M17_BRANCH
+#NSS_CO_TAG=SeaMonkey_M17_BRANCH
 #LDAPCSDK_CO_TAG=SeaMonkey_M17_BRANCH
 #ACCESSIBLE_CO_TAG=SeaMonkey_M17_BRANCH
 #IMGLIB2_CO_TAG=SeaMonkey_M17_BRANCH