diff --git a/.github/workflows/run_unix.yml b/.github/workflows/run_unix.yml
index a3f648349..9092de375 100644
--- a/.github/workflows/run_unix.yml
+++ b/.github/workflows/run_unix.yml
@@ -99,17 +99,10 @@ jobs:
       env:
         BRAINFLOW_VERSION: ${{ steps.version.outputs.version }}
     - name: C# build
-      if: (matrix.os == 'ubuntu-20.04')
-      run: |
-        cd $GITHUB_WORKSPACE/csharp_package/brainflow
-        dotnet restore brainflow.sln
-        dotnet build brainflow.sln -c Release --runtime linux-x64
-    - name: C# build
-      if: (matrix.os == 'macos-11.0')
       run: |
         cd $GITHUB_WORKSPACE/csharp_package/brainflow
         dotnet restore brainflow.sln
-        dotnet build brainflow.sln -c Release --runtime osx.10.13-x64
+        dotnet build brainflow.sln -c Release
     - name: Setup Python Package
       run: |
         cd $GITHUB_WORKSPACE/python_package
@@ -340,7 +333,7 @@ jobs:
     - name: Synthetic C# Test
       run: |
         cd $GITHUB_WORKSPACE/csharp_package/brainflow/examples/brainflow_get_data/bin/Release/netcoreapp3.1
-        ./brainflow_get_data --board-id -1
+        mono brainflow_get_data --board-id -1
       env:
         LD_DEBUG: all
         DYLD_PRINT_LIBRARIES: 1