diff --git a/openwrtbuilder b/openwrtbuilder
index 517f3e0..7b5a018 100755
--- a/openwrtbuilder
+++ b/openwrtbuilder
@@ -746,7 +746,9 @@ main() {
 				SEED_FILE=$SEED_FILE
 				SHA256_URL=$SHA256_URL
 				SHA256_FILE=$SHA256_FILE
+				FACTORIMGGZ: $FACTORYIMGGZ
 				FACTORIMGGZFNAME: $FACTORYIMGGZFNAME
+				SYSUPGRADEIMGGZ: $SYSUPGRADEIMGGZ
 				SYSUPGRADEIMGGZFNAME: $SYSUPGRADEIMGGZFNAME
 			EOF
         fi