diff --git a/.docker/docker-compose.yml b/.docker/docker-compose.yml
index 5cdfc4d1e3be085557812dd64cae495d5988f7bc..f6285b2ca46900f0006215aab5bfc53191859ac2 100644
--- a/.docker/docker-compose.yml
+++ b/.docker/docker-compose.yml
@@ -15,7 +15,7 @@ services:
       - caosnet
     volumes:
       - type: bind
-        source: ./cert
+        source: .docker/cert
         target: /opt/caosdb/cert
       - type: bind
         source: "$EXEPATH/integrationtests/full_test/extroot"
diff --git a/.docker/pycaosdb.ini b/.docker/pycaosdb.ini
index c3aaf90416e7bb32ebfd3d2b33894779f281953b..1e5ba293fa3a7bf294c78a88543d3d6433aabefd 100644
--- a/.docker/pycaosdb.ini
+++ b/.docker/pycaosdb.ini
@@ -5,7 +5,6 @@ test_server_side_scripting.bin_dir=../caosdb-server/test_scripting/bin/
 url=https://caosdb-server:10443
 username=admin
 cacert=/opt/caosdb/cert/caosdb.cert.pem
-#cacert=/etc/ssl/cert.pem
 debug=0
 
 passwordmethod=plain
diff --git a/.docker/tester.yml b/.docker/tester.yml
index 7eb8d4d6e63a540d16dfec128fa53512b10fc5ff..75f86048ea9a140527b83276bbd1bf33dfe0b2c3 100644
--- a/.docker/tester.yml
+++ b/.docker/tester.yml
@@ -2,6 +2,10 @@ version: '3.6'
 services:
   tester:
     image: "$CI_REGISTRY_IMAGE:latest"
+    volumes:
+      - type: bind
+        source: .docker/cert
+        target: /opt/caosdb/cert
     networks:
       - docker_caosnet
 networks: