diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f82f8cac3d37048343873dc761135f4021415c24..49f5cb9f08e4a01e87d1a91540b18293a1a90d41 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ pages:
     - mkdir build
     - cd build
     - cmake ..
-    - make -j $(nproc) library
+    - make library
     - cd ../docs
     - make html
     - cd ..