diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 37150b810fd5a8587723a19255af9d4f2afc0c2a..4a8441a520c0ff0f1b6f6b22eaf649fc12d76d05 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 ../..
 
@@ -52,8 +52,8 @@
   - 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 ../..
 
@@ -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 ############