diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab9a3a62112..aaa9135b823 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -205,8 +205,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Check that working tree is initially clean
-        run: git status; set -x; git diff --quiet
+        run: |
+          set -x
+          git status
+          git diff --exit-code
       - name: Regenerate gix-packetline-blocking/src
         run: etc/copy-packetline.sh
       - name: Check that gix-packetline-blocking/src was already up to date
-        run: git status; set -x; git diff --quiet
+        run: |
+          set -x
+          git status
+          git diff --exit-code