diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0b60fac..bc4cba3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -75,7 +75,7 @@ build_debian:
   - mkdir -p matemat/usr/lib/python3/dist-packages/
   - rsync -a matemat/usr/lib/python3.6/site-packages/ matemat/usr/lib/python3/dist-packages/
   - rm -rf matemat/usr/lib/python3.6/
-  - find matemat/usr/lib/python3/dist-packages -name __pycache__ -exec rm -r {} \;
+  - find matemat/usr/lib/python3/dist-packages -name __pycache__ -exec rm -r {} \; 2>/dev/null || true
   - find matemat/usr/lib/python3/dist-packages -name '*.pyc' -exec rm {} \;
   - mv matemat/usr/bin/matemat matemat/usr/lib/matemat/matemat
   - rm -rf matemat/usr/bin