diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index f2521841..719af06e 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -355,3 +355,34 @@ jobs:
       - name: Update site
         run: |
           docker compose exec --user root phpfpm vendor/bin/drush deploy --yes
+
+  check-debug-patches:
+    name: Check that debug patches can be applied and reversed.
+    runs-on: ubuntu-latest
+    # https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/running-variations-of-jobs-in-a-workflow
+    strategy:
+      matrix:
+        patch:
+          - patches/openid_connect-debug-userinfo.patch
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Start docker compose setup and install composer packages
+        run: |
+          docker network create frontend
+          docker compose pull
+          docker compose up --detach
+
+          # Important: Use --no-interaction to make https://getcomposer.org/doc/06-config.md#discard-changes have effect.
+          docker compose exec --user root phpfpm composer install --no-interaction
+
+      - name: Apply patch
+        run: |
+          # Cf. documentation/openIdConnect.md
+          docker compose exec --user root phpfpm patch --strip=1 --input=${{ matrix.patch }}
+
+      - name: Reverse patch
+        run: |
+          # Cf. documentation/openIdConnect.md
+          docker compose exec --user root phpfpm patch --strip=1 --input=${{ matrix.patch }} --reverse
diff --git a/documentation/openIdConnect.md b/documentation/openIdConnect.md
index a3cb200d..44b62433 100644
--- a/documentation/openIdConnect.md
+++ b/documentation/openIdConnect.md
@@ -63,10 +63,10 @@ docker compose --profile oidc up --detach
 
 During development it can be useful to see the user info we actually get during
 OpenID Connect authentification, and to do this you can apply the patch
-[debug-userinfo.patch](../patches/drupal/openid_connect/debug-userinfo.patch):
+[openid_connect-debug-userinfo.patch](../patches/openid_connect-debug-userinfo.patch):
 
 ```sh
-docker compose exec phpfpm patch --strip=1 --input=patches/drupal/openid_connect/debug-userinfo.patch
+docker compose exec phpfpm patch --strip=1 --input=patches/openid_connect-debug-userinfo.patch
 ```
 
 After applying the patch and succesfully logging in, the actual userinfo
@@ -79,5 +79,5 @@ docker compose exec phpfpm vendor/bin/drush watchdog:show --type=itkdev-debug --
 Remove (reverse) the patch with
 
 ```sh
-docker compose exec phpfpm patch --strip=1 --input=patches/drupal/openid_connect/debug-userinfo.patch --reverse
+docker compose exec phpfpm patch --strip=1 --input=patches/openid_connect-debug-userinfo.patch --reverse
 ```
diff --git a/patches/drupal/openid_connect/debug-userinfo.patch b/patches/openid_connect-debug-userinfo.patch
similarity index 100%
rename from patches/drupal/openid_connect/debug-userinfo.patch
rename to patches/openid_connect-debug-userinfo.patch