diff --git a/scripts/iso_build.sh b/scripts/iso_build.sh
index c239e4e..9b62994 100755
--- a/scripts/iso_build.sh
+++ b/scripts/iso_build.sh
@@ -5,7 +5,7 @@ SABAYON_MOLECULE_HOME="${SABAYON_MOLECULE_HOME:-/sabayon}"
 export SABAYON_MOLECULE_HOME
 
 ACTION="${1}"
-if [ "${ACTION}" != "daily" ] && [ "${ACTION}" != "weekly" ]; then
+if [ "${ACTION}" != "daily" ] && [ "${ACTION}" != "weekly" ] && [ "${ACTION}" != "dailybase" ]; then
 	echo "invalid action: ${ACTION}" >&2
 	exit 1
 fi