diff --git a/.github/workflows/pathogen-repo-build.yaml b/.github/workflows/pathogen-repo-build.yaml
index c0e6329..0960083 100644
--- a/.github/workflows/pathogen-repo-build.yaml
+++ b/.github/workflows/pathogen-repo-build.yaml
@@ -279,6 +279,7 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           role-to-assume: ${{ secrets.AWS_ACCESS_KEY_ID == '' && steps.role.outputs.arn || '' }}
           role-duration-seconds: 43200 # seconds, or 12 hours
+      - run: aws sts get-caller-identity
       - name: Save runtime AWS credentials to ${{ env.NEXTSTRAIN_RUNTIME_ENVDIR }}
         run: |
           "$NEXTSTRAIN_GITHUB_DIR"/bin/write-envdir "$NEXTSTRAIN_RUNTIME_ENVDIR" \
@@ -298,6 +299,8 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           role-to-assume: ${{ secrets.AWS_ACCESS_KEY_ID == '' && 'arn:aws:iam::827581582529:role/GitHubActionsRoleNextstrainBatchJobs' || '' }}
           role-duration-seconds: 43200 # seconds, or 12 hours
+      - if: inputs.runtime == 'aws-batch'
+        run: aws sts get-caller-identity
       - name: Setup runtime ${{ inputs.runtime }}
         uses: ./.git/nextstrain/.github/actions/setup-nextstrain-cli
         with:
diff --git a/.github/workflows/pathogen-repo-build.yaml.in b/.github/workflows/pathogen-repo-build.yaml.in
index b9f2137..0a961c5 100644
--- a/.github/workflows/pathogen-repo-build.yaml.in
+++ b/.github/workflows/pathogen-repo-build.yaml.in
@@ -243,6 +243,7 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           role-to-assume: ${{ secrets.AWS_ACCESS_KEY_ID == '' && steps.role.outputs.arn || '' }}
           role-duration-seconds: 43200 # seconds, or 12 hours
+      - run: aws sts get-caller-identity
 
       - name: Save runtime AWS credentials to ${{ env.NEXTSTRAIN_RUNTIME_ENVDIR }}
         run: |
@@ -265,6 +266,8 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           role-to-assume: ${{ secrets.AWS_ACCESS_KEY_ID == '' && 'arn:aws:iam::827581582529:role/GitHubActionsRoleNextstrainBatchJobs' || '' }}
           role-duration-seconds: 43200 # seconds, or 12 hours
+      - if: inputs.runtime == 'aws-batch'
+        run: aws sts get-caller-identity
 
       - &setup-runtime
         name: Setup runtime ${{ inputs.runtime }}