diff --git a/.github/workflows/build-pull-request.yml b/.github/workflows/build-pull-request.yml
index a904a00..fe6cc38 100644
--- a/.github/workflows/build-pull-request.yml
+++ b/.github/workflows/build-pull-request.yml
@@ -51,4 +51,4 @@ jobs:
       - name: Run tests
         run: |
           docker load --input /tmp/esi-opticks-${{ env.TAG }}.tar
-          docker run ghcr.io/${{ env.REPOSITORY }}:${{ env.TAG }} ls -la /usr/local/opticks
+          docker run ghcr.io/${{ env.REPOSITORY }}:${{ env.TAG }} bash -l -c opticks-info