diff --git a/.github/workflows/idefix-ci-jobs.yml b/.github/workflows/idefix-ci-jobs.yml
index 05b42568..ab2b7324 100644
--- a/.github/workflows/idefix-ci-jobs.yml
+++ b/.github/workflows/idefix-ci-jobs.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Isothermal Sod test
         run: scripts/ci/run-tests $IDEFIX_DIR/test/HD/sod-iso -all $TESTME_OPTIONS
       - name: Mach reflection test
-        run: scripts/ci/run-tests $IDEFIX_DIR/test/HD//MachReflection -all $TESTME_OPTIONS
+        run: scripts/ci/run-tests $IDEFIX_DIR/test/HD/MachReflection -all $TESTME_OPTIONS
       - name: Sedov blast wave
         run: scripts/ci/run-tests $IDEFIX_DIR/test/HD/SedovBlastWave -all $TESTME_OPTIONS
 
diff --git a/scripts/ci/run-tests b/scripts/ci/run-tests
index 359e1eb1..ebf89503 100755
--- a/scripts/ci/run-tests
+++ b/scripts/ci/run-tests
@@ -13,8 +13,16 @@ if [ -d .venv ]; then
     source .venv/bin/activate
 fi
 
-# jump in test directory
-cd "$1"
+# to get access to idefix ./pytools/ module in python code
+if [[ -v PYTHONPATH ]]; then
+    export PYTHONPATH="${PWD}:${PYTHONPATH}"
+else
+    export PYTHONPATH="${PWD}"
+fi
+
+# run the test the old way (still possible up to now)
+#cd "$1"
+#./testme.py "${@:2}"
 
-# run the test
-./testme.py "${@:2}"
+# run the test the new way (via pytest)
+./test.py -subdir "$@"