diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c546b37ce5a4e7c764e34559147294d25b665709..25f3cf56f803087ac6d3cda273ec61e8657686a2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,8 +35,8 @@
   - 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 ../..
 
@@ -52,8 +52,8 @@
   - mkdir -pv build
   - cd build
   - cmake -DCMAKE_BUILD_TYPE=release ..
-  - make -j2
-  - ctest -j2
+  - make -j$WOLF_N_PROC
+  - ctest -j$WOLF_N_PROC
   - make install
   - cd ../..
 
@@ -61,8 +61,8 @@
   - 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 ############