diff --git a/.github/workflows/build-pull-request.yml b/.github/workflows/build-pull-request.yml
index b180987..60be88e 100644
--- a/.github/workflows/build-pull-request.yml
+++ b/.github/workflows/build-pull-request.yml
@@ -64,4 +64,4 @@ jobs:
 
       - name: Test esi-shell
         run: |
-          ./esi-shell "opticks-full-prepare && opticks-t"
+          ./esi-shell -v ${{ env.IMAGE_NAME }}:${{ env.TAG }} "opticks-full-prepare && opticks-t"