diff -r f5850ce25caf -r f247fb5b7756 .github/workflows/run_tests_in_docker.yml
--- a/.github/workflows/run_tests_in_docker.yml	Sun Jul 17 22:53:35 2022 +0200
+++ b/.github/workflows/run_tests_in_docker.yml	Sun Jul 17 23:23:30 2022 +0200
@@ -26,7 +26,12 @@
           repository: open62541/open62541
           ref: v3.0.2
           path: open62541
-          submodules: recursive
+
+    - name: Recurse open62541 submodules
+      run: |
+        cd open62541
+        git submodule update --init --recursive
+
 
     - name: Cache docker image
       id: cache-docker