diff --git a/.github/ci/after_make.sh b/.github/ci/after_make.sh
index e2801d7a5..378cb9518 100644
--- a/.github/ci/after_make.sh
+++ b/.github/ci/after_make.sh
@@ -10,7 +10,7 @@ export IGN_CONFIG_PATH=/usr/local/share/ignition
 export LD_LIBRARY_PATH=/usr/local/lib/:$LD_LIBRARY_PATH
 
 # For rendering / window tests
-Xvfb :1 -screen 0 1280x1024x24 &
+Xvfb :1 -ac -noreset -core -screen 0 1280x1024x24 &
 export DISPLAY=:1.0
 export RENDER_ENGINE_VALUES=ogre2
 export MESA_GL_VERSION_OVERRIDE=3.3