diff --git a/.docker/tester.yml b/.docker/tester.yml
index 1673eed239866d774a570c752c984e7fc35cc0df..383bad2f07a0471066472857a68ccc331906f076 100644
--- a/.docker/tester.yml
+++ b/.docker/tester.yml
@@ -5,6 +5,9 @@ services:
     networks:
       - docker_caosnet
     volumes:
+      - type: bind
+        source: ../build
+        target: /caosdb-cppinttest/build
       - type: bind
         source: ./cert
         target: /cert