diff --git a/.gitlab-ci/clang8-mpi-release.yml b/.gitlab-ci/clang8-mpi-release.yml
index c76d029cb2c99c7b702555f5c0d7a855fbf1cf6d..92f03c34e2c852df0b62ef7c9c72421b705a2bd1 100644
--- a/.gitlab-ci/clang8-mpi-release.yml
+++ b/.gitlab-ci/clang8-mpi-release.yml
@@ -20,6 +20,7 @@ test:clang8-mpi-release:
   script:
     - mkdir -p build/clang8-release-mpi
     - cd build/clang8-release-mpi
+    - CXX=clang++-8 CC=clang-8 cmake ../.. -DCMAKE_BUILD_TYPE=Release -DCLANG_FORMAT=/usr/bin/clang-format-8
     - make run_unit_tests
   cache:
     key: "${CI_COMMIT_REF_SLUG}-clang8-release-mpi"
diff --git a/.gitlab-ci/clang8-seq-release.yml b/.gitlab-ci/clang8-seq-release.yml
index 6316b2223adf138913fa664d1ea13f9d975696e4..acdc43a3e10be5c8fff911c8298c09327f3d4696 100644
--- a/.gitlab-ci/clang8-seq-release.yml
+++ b/.gitlab-ci/clang8-seq-release.yml
@@ -20,6 +20,7 @@ test:clang8-seq-release:
   script:
     - mkdir -p build/clang8-release-seq
     - cd build/clang8-release-seq
+    - CXX=clang++-8 CC=clang-8 cmake ../.. -DCMAKE_BUILD_TYPE=Release -DCLANG_FORMAT=/usr/bin/clang-format-8
     - make run_unit_tests
   cache:
     key: "${CI_COMMIT_REF_SLUG}-clang8-release-seq"
diff --git a/.gitlab-ci/gcc8-seq-dbg.yml b/.gitlab-ci/gcc8-seq-dbg.yml
index 441fcf5a673b4ea66cc9efe921246fa0ea665af3..b8a9d91379064a24bde84b873adbf717d8380503 100644
--- a/.gitlab-ci/gcc8-seq-dbg.yml
+++ b/.gitlab-ci/gcc8-seq-dbg.yml
@@ -20,6 +20,7 @@ test:gcc8-seq-dbg:
   script:
     - mkdir -p build/gcc8-seq-dbg
     - cd build/gcc8-seq-dbg
+    - CXX=g++-8 CC=gcc-8 cmake ../.. -DCMAKE_BUILD_TYPE=Debug
     - make run_unit_tests
   cache:
     key: "${CI_COMMIT_REF_SLUG}-gcc8-seq-dbg"
diff --git a/.gitlab-ci/gcc8-seq-release.yml b/.gitlab-ci/gcc8-seq-release.yml
index 7453a9da6bb17d5f597bfae088104e2ba2395800..516bfa2e2f4ceb0656a2394f7f0b3b50acf96d86 100644
--- a/.gitlab-ci/gcc8-seq-release.yml
+++ b/.gitlab-ci/gcc8-seq-release.yml
@@ -20,6 +20,7 @@ test:gcc8-seq-release:
   script:
     - mkdir -p build/gcc8-seq-release
     - cd build/gcc8-seq-release
+    - CXX=g++-8 CC=gcc-8 cmake ../.. -DCMAKE_BUILD_TYPE=Release
     - make run_unit_tests
   cache:
     key: "${CI_COMMIT_REF_SLUG}-gcc8-seq-release"