diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 06b205a..ff40b95 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -64,6 +64,7 @@ build_debian:
   - python3.6 setup.py egg_info -d -b +master install --root=package/debian/matemat/ --prefix=/usr --optimize=1
   - export PYTHON_BIN=$(which python3)
   - cd package/debian
+  - chmod 0755 -R matemat/DEBIAN
   - mv matemat/usr/lib/python3.6/{site,dist}-packages
   - mv matemat/usr/bin/matemat matemat/usr/lib/matemat/matemat
   - rm -rf matemat/usr/bin