diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 7d2dcc5eb7..970f912be8 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -11,7 +11,12 @@ jobs:
         run: |
           set -e
           echo "PROJECT_SLUG=scaffold-pwa" >> $GITHUB_ENV 
-          echo "BRANCH_NAME=${GITHUB_REF##*/}" >> $GITHUB_ENV
+          echo "Branch name is: ${{ github.ref_name }}"
+          branch_name="${GITHUB_REF##*/}"
+          # Trim using cut as MRT target name is limited to 19 chars
+          mrt_target_name=$(echo "$branch_name" | cut -c 1-19)
+          echo "Trimmed branch name: $mrt_target_name"
+          echo "MRT_TARGET_NAME=$mrt_target_name" >> $GITHUB_ENV
 
       - name: Checkout
         uses: actions/checkout@v3
@@ -56,5 +61,5 @@ jobs:
         uses: "./.github/actions/push_to_mrt"
         with:
           CWD: "."
-          TARGET: ${{ env.BRANCH_NAME }}
+          TARGET: ${{ env.MRT_TARGET_NAME }}
           FLAGS: --wait