diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 3d10c36..360e702 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -48,15 +48,15 @@ jobs:
 
       - name: Tailwind build (assert generated diff is clean)
         run: |
-          docker run --rm \
+          docker run --name ci-tailwind \
             --network container:ci-postgres \
-            -v "$PWD:/app" \
-            -w /app \
             -e SECRET_KEY=ci-secret-key \
             -e DATABASE_URL=postgres://nohype:nohype@127.0.0.1:5432/nohype \
             "$CI_IMAGE" \
             sh -lc "python manage.py tailwind install --no-input && python manage.py tailwind build"
-          git diff --exit-code -- theme/static/css/styles.css
+          docker cp ci-tailwind:/app/theme/static/css/styles.css /tmp/ci-styles.css
+          docker rm -f ci-tailwind
+          cmp -s theme/static/css/styles.css /tmp/ci-styles.css
 
       - name: Remove PostgreSQL
         if: always()
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d10c36..360e702 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,15 +48,15 @@ jobs:
 
       - name: Tailwind build (assert generated diff is clean)
         run: |
-          docker run --rm \
+          docker run --name ci-tailwind \
             --network container:ci-postgres \
-            -v "$PWD:/app" \
-            -w /app \
             -e SECRET_KEY=ci-secret-key \
             -e DATABASE_URL=postgres://nohype:nohype@127.0.0.1:5432/nohype \
             "$CI_IMAGE" \
             sh -lc "python manage.py tailwind install --no-input && python manage.py tailwind build"
-          git diff --exit-code -- theme/static/css/styles.css
+          docker cp ci-tailwind:/app/theme/static/css/styles.css /tmp/ci-styles.css
+          docker rm -f ci-tailwind
+          cmp -s theme/static/css/styles.css /tmp/ci-styles.css
 
       - name: Remove PostgreSQL
         if: always()