diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0b7dbd6f5..39ea51199 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -120,5 +120,7 @@ jobs:
       run: cmake --build . --config $BUILD_TYPE --target install
       
     - name: Run Unit Tests
+      env:
+        DISPLAY: :0.0
       shell: bash
       run: $GITHUB_WORKSPACE/install/bin/drtest