diff --git a/testsuite/meson.build b/testsuite/meson.build
index 56810d2a23..e4033e7c10 100644
--- a/testsuite/meson.build
+++ b/testsuite/meson.build
@@ -25,8 +25,7 @@ setups = [
   { 'backend': 'wayland', 'if': wayland_enabled, 'is_default': true, },
   { 'name': 'wayland_gl',
     'backend': 'wayland', 'if': wayland_enabled,
-    'env': ['GDK_DEBUG=gl-prefer-gl,default-settings',
-           ], },
+    'env': ['GDK_DISABLE=gles-api' ], },
   { 'backend': 'win32', 'if': os_win32 },
   { 'backend': 'broadway', 'if': broadway_enabled, },
   { 'backend': 'win32', 'if': os_win32 },