diff --git a/coin/platform_configs/cmake_platforms.yaml b/coin/platform_configs/cmake_platforms.yaml
index eefcdab7..6cca572a 100644
--- a/coin/platform_configs/cmake_platforms.yaml
+++ b/coin/platform_configs/cmake_platforms.yaml
@@ -64,6 +64,7 @@ Configurations:
     Features: ['TestOnly', 'InsignificantTests']
     Environment variables: [
         'CMAKE_ARGS=-DOpenGL_GL_PREFERENCE=LEGACY',
+        'QT_QPA_OFFSCREEN_NO_GLX=1',
         'QT_QPA_PLATFORM=offscreen'
     ]
     Platform dependency: 'ubuntu-24.04-arm64-documentation'