diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 338aac7856123a2a56d78d0f7442dd36ff2f2b89..dc1996f2738bda5dfb50572ba1e8831093c0102e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,8 +34,8 @@
   - mkdir -pv build
   - cd build
   - cmake -DCMAKE_BUILD_TYPE=release -DBUILD_EXAMPLES=ON -DBUILD_TESTS=ON ..
-  - make -j2
-  - ctest -j2
+  - make -j$WOLF_N_PROC
+  - ctest -j$WOLF_N_PROC
   - make install
   - cd ../..
 
@@ -51,8 +51,8 @@
   - mkdir -pv build
   - cd build
   - cmake -DCMAKE_BUILD_TYPE=release -DBUILD_EXAMPLES=ON -DBUILD_TESTS=ON ..
-  - make -j2
-  - ctest -j2
+  - make -j$WOLF_N_PROC
+  - ctest -j$WOLF_N_PROC
   - make install
   - cd ../..
 
@@ -60,8 +60,8 @@
   - mkdir -pv build
   - cd build
   - cmake -DCMAKE_BUILD_TYPE=release -DBUILD_EXAMPLES=ON -DBUILD_TESTS=ON ..
-  - make -j2
-  - ctest -j2
+  - make -j$WOLF_N_PROC
+  - ctest -j$WOLF_N_PROC
   - make install
 
 ############ UBUNTU 16.04 TESTS ############