diff --git a/.gitea/actions/kaniko-build/build.sh b/.gitea/actions/kaniko-build/build.sh
index 577785b..f186498 100644
--- a/.gitea/actions/kaniko-build/build.sh
+++ b/.gitea/actions/kaniko-build/build.sh
@@ -2,7 +2,8 @@
 set -e
 
 IMAGE=${IMAGE:-$REPO}
-JOB_NAME="build-${IMAGE}-${GITHUB_SHA:0:8}"
+JOB_SAFE=$(echo "${IMAGE}" | tr '_' '-')
+JOB_NAME="build-${JOB_SAFE}-${GITHUB_SHA:0:8}"
 
 kubectl apply -f - <<EOF
 apiVersion: batch/v1