diff --git a/.github/workflows/ResInsightWithCache.yml b/.github/workflows/ResInsightWithCache.yml
index 29d8b16f56..5dae4fadc6 100644
--- a/.github/workflows/ResInsightWithCache.yml
+++ b/.github/workflows/ResInsightWithCache.yml
@@ -141,6 +141,7 @@ jobs:
               -D CMAKE_BUILD_TYPE=$ENV{BUILD_TYPE}
               -D GSL_ENABLE=true
               -D RESINSIGHT_INCLUDE_APPLICATION_UNIT_TESTS=true
+              -D RESINSIGHT_TREAT_WARNINGS_AS_ERRORS=true
               -D RESINSIGHT_ENABLE_GRPC=true
               -D RESINSIGHT_GRPC_PYTHON_EXECUTABLE=python
               -D VCPKG_TARGET_TRIPLET=${{ matrix.config.vcpkg-triplet }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a8ae8e379f..11cee2bac5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -59,7 +59,7 @@ jobs:
         uses: lukka/run-cmake@v1
         with:
           cmakeListsOrSettingsJson: CMakeListsTxtAdvanced
-          cmakeAppendedArgs:  '-DGSL_ENABLE=true -DRESINSIGHT_ENABLE_GRPC=true -DRESINSIGHT_GRPC_PYTHON_EXECUTABLE=python -DRESINSIGHT_ENABLE_PRECOMPILED_HEADERS=true -DRESINSIGHT_ENABLE_UNITY_BUILD=true -DRESINSIGHT_INCLUDE_APPLICATION_UNIT_TESTS=true'
+          cmakeAppendedArgs:  '-DGSL_ENABLE=true -DRESINSIGHT_ENABLE_GRPC=true -DRESINSIGHT_GRPC_PYTHON_EXECUTABLE=python -DRESINSIGHT_ENABLE_PRECOMPILED_HEADERS=true -DRESINSIGHT_ENABLE_UNITY_BUILD=true -DRESINSIGHT_TREAT_WARNINGS_AS_ERRORS=true -DRESINSIGHT_INCLUDE_APPLICATION_UNIT_TESTS=true'
           buildDirectory: ${{ github.workspace }}/cmakebuild
           buildWithCMakeArgs: '--config Release --target package'
           useVcpkgToolchainFile: true
@@ -92,4 +92,4 @@ jobs:
           path: ${{ runner.workspace }}/ResInsight/cmakebuild/packages
           
           
-          
\ No newline at end of file
+