diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 8eb6f43596f..00f9dc247a7 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -262,7 +262,7 @@ jobs:
       - name: Define version and branch
         shell: bash
         run: |
-          GIT_SOURCE_BRANCH=`([ "${GITHUB_HEAD_REF}" != "" ] && echo "${GITHUB_HEAD_REF}" || echo "${GITHUB_REF}") | sed 's/refs/heads/g' `
+          GIT_SOURCE_BRANCH=`([ "${GITHUB_HEAD_REF}" != "" ] && echo "${GITHUB_HEAD_REF}" || echo "${GITHUB_REF}") | sed 's/refs\/heads\///g' `
           echo "GIT_SOURCE_BRANCH=$GIT_SOURCE_BRANCH" >> $GITHUB_ENV
           SANITIZED_BRANCH=`echo ${GIT_SOURCE_BRANCH} | sed 's/[^a-zA-Z0-9.\-_]/\_/g' | awk '{print tolower($0)}'`
           echo "VERSION_SUFFIX=-$SANITIZED_BRANCH-$(date -I)-$GITHUB_RUN_NUMBER-$GITHUB_SHA" >> $GITHUB_ENV