diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e413b7dc..0534d41a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,7 +33,7 @@ test:
     - build
   script:
     - ./build/tests/all_graphene_tests --log_level=message
-    - lcov --capture --directory ./build/ --output-file ./build/coverage.info
+    - lcov --capture --directory ./build/ --exclude '/usr/*' --output-file ./build/coverage.info
     - genhtml --output-directory ./build/coverage ./build/coverage.info
   artifacts:
     untracked: true