diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5d9f6c64dd21d77527d94e1b4617a35c3b6924c8..d817750aa5ee23818df5789ad34f4ee7623f7b3e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,7 +29,7 @@ stages:
       - mkdir $CI_PROJECT_DIR/build
       - cd $CI_PROJECT_DIR/build
       - if dpkg --compare-versions `ompi_info | head -2 | tail -1 | sed 's/[^0-9.]*\([0-9.]*\).*/\1/'` ge 1.10; then export MPIEXEC_PREFLAGS="--allow-run-as-root" ; fi
-      - cmake .. -DWALBERLA_BUFFER_DEBUG=$WALBERLA_BUFFER_DEBUG -DWALBERLA_BUILD_TESTS=ON -DWALBERLA_BUILD_BENCHMARKS=ON -DWALBERLA_BUILD_TUTORIALS=ON -DWALBERLA_BUILD_TOOLS=ON -DWALBERLA_BUILD_WITH_MPI=$WALBERLA_BUILD_WITH_MPI -DWALBERLA_BUILD_WITH_CUDA=$WALBERLA_BUILD_WITH_CUDA -DWALBERLA_BUILD_WITH_PYTHON=$WALBERLA_BUILD_WITH_PYTHON -DWALBERLA_BUILD_WITH_OPENMP=$WALBERLA_BUILD_WITH_OPENMP -DCMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE -DMPIEXEC_PREFLAGS=$MPIEXEC_PREFLAGS -DWALBERLA_DOUBLE_ACCURACY=$WALBERLA_DOUBLE_ACCURACY -DWARNING_ERROR=ON -DWALBERLA_BUILD_WITH_METIS=$WALBERLA_BUILD_WITH_METIS -DWALBERLA_BUILD_WITH_PARMETIS=$WALBERLA_BUILD_WITH_PARMETIS -DWALBERLA_ENABLE_GUI=$WALBERLA_ENABLE_GUI
+      - cmake .. -DWALBERLA_BUFFER_DEBUG=$WALBERLA_BUFFER_DEBUG -DWALBERLA_BUILD_TESTS=ON -DWALBERLA_BUILD_BENCHMARKS=ON -DWALBERLA_BUILD_TUTORIALS=ON -DWALBERLA_BUILD_TOOLS=ON -DWALBERLA_BUILD_WITH_MPI=$WALBERLA_BUILD_WITH_MPI -DWALBERLA_BUILD_WITH_CUDA=$WALBERLA_BUILD_WITH_CUDA -DWALBERLA_BUILD_WITH_PYTHON=$WALBERLA_BUILD_WITH_PYTHON -DWALBERLA_BUILD_WITH_OPENMP=$WALBERLA_BUILD_WITH_OPENMP -DCMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE -DMPIEXEC_PREFLAGS=$MPIEXEC_PREFLAGS -DWALBERLA_DOUBLE_ACCURACY=$WALBERLA_DOUBLE_ACCURACY -DWARNING_ERROR=ON -DWALBERLA_BUILD_WITH_METIS=$WALBERLA_BUILD_WITH_METIS -DWALBERLA_BUILD_WITH_PARMETIS=$WALBERLA_BUILD_WITH_PARMETIS -DWALBERLA_ENABLE_GUI=$WALBERLA_ENABLE_GUI -DWALBERLA_BUILD_WITH_CODEGEN=$WALBERLA_BUILD_WITH_CODEGEN
       - cmake . -LAH
       - make -j $NUM_BUILD_CORES -l $NUM_CORES
       - ctest -LE $CTEST_EXCLUDE_LABELS -C $CMAKE_BUILD_TYPE --output-on-failure -j $NUM_CORES
@@ -1587,7 +1587,7 @@ coverage:
       - mkdir build
       - cd build
       - if dpkg --compare-versions `ompi_info | head -2 | tail -1 | sed 's/[^0-9.]*\([0-9.]*\).*/\1/'` ge 1.10; then export MPIEXEC_PREFLAGS="--allow-run-as-root" ; fi
-      - cmake .. -DWALBERLA_BUILD_TESTS=ON -DWALBERLA_BUILD_BENCHMARKS=ON -DWALBERLA_BUILD_TUTORIALS=ON -DWALBERLA_BUILD_WITH_MPI=ON -DWALBERLA_BUILD_WITH_OPENMP=OFF -DCMAKE_BUILD_TYPE=Debug -DMPIEXEC_PREFLAGS=$MPIEXEC_PREFLAGS
+      - cmake .. -DWALBERLA_BUILD_TESTS=ON -DWALBERLA_BUILD_BENCHMARKS=ON -DWALBERLA_BUILD_TUTORIALS=ON -DWALBERLA_BUILD_WITH_MPI=ON -DWALBERLA_BUILD_WITH_OPENMP=OFF -DCMAKE_BUILD_TYPE=Debug -DMPIEXEC_PREFLAGS=$MPIEXEC_PREFLAGS -DWALBERLA_BUILD_WITH_CODEGEN=$WALBERLA_BUILD_WITH_CODEGEN
       - cmake . -LAH
       - make -j 8
       - ctest -LE longrun --output-on-failure -j 8_Hybrid