diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1ff986ba135..5eef93be8ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -232,7 +232,7 @@ jobs:
         run: |
           RELEASE_TAG=${GITHUB_REF/refs\/tags\//}
           echo "RELEASE_TAG=${RELEASE_TAG}" >> $GITHUB_ENV
-          tagNameWithoutPrefix="${RELEASE_TAG:1}"
+          tagNameWithoutPrefix="${RELEASE_TAG:8}"
           echo "RELEASE_TAG_WITHOUT_PREFIX=${tagNameWithoutPrefix}" >> $GITHUB_ENV
 
       # TODO: generate release notes