diff --git a/src/backend/Dockerfile b/src/backend/Dockerfile
index 2da0bc742e..dafa749099 100644
--- a/src/backend/Dockerfile
+++ b/src/backend/Dockerfile
@@ -152,7 +152,7 @@ USER appuser
 
 
 FROM debug-no-odk as ci
-COPY tests/ /opt/tests/
+COPY --chown=appuser tests/ /opt/tests/
 # Pre-compile packages to .pyc (init speed gains)
 RUN python -c "import compileall; compileall.compile_path(maxlevels=10, quiet=1)"
 # Override entrypoint, as not possible in Github action