diff --git a/hack/tfw.sh b/hack/tfw.sh
index b4854ce..0651115 100755
--- a/hack/tfw.sh
+++ b/hack/tfw.sh
@@ -27,9 +27,14 @@ run_frontend()
 build_baseimage()
 {
     cd $BASEIMAGE_PATH
+    docker build -t "${BASEIMAGE_NAME}:$(baseimage_releasename)" -t "${BASEIMAGE_NAME}:latest" .
+}
+
+baseimage_releasename()
+{
     VERSION="$(cat VERSION | head -n 1)"
     DATE="$(date +%Y%m%d)"
-    docker build -t "${BASEIMAGE_NAME}:${VERSION}-${DATE}" -t "${BASEIMAGE_NAME}:latest" .
+    printf "${VERSION}-${DATE}"
 }
 
 build_backend()