diff --git a/.github/workflows/build-web.yml b/.github/workflows/build-web.yml
index d1469b5ecb8..4e4a398c71b 100644
--- a/.github/workflows/build-web.yml
+++ b/.github/workflows/build-web.yml
@@ -342,7 +342,7 @@ jobs:
         id: image-tag
         run: |
           if [[ $(grep "pull" <<< "${GITHUB_REF}") ]]; then
-            IMAGE_TAG=${GITHUB_HEAD_REF}
+            IMAGE_TAG=$(echo "${GITHUB_HEAD_REF}" | sed "s#/#-#g")
           else
             IMAGE_TAG=$(echo "${GITHUB_REF:11}" | sed "s#/#-#g")
           fi