diff --git a/apparmor.d/groups/browsers/firefox b/apparmor.d/groups/browsers/firefox
index 76c19adea..0c655e1fe 100644
--- a/apparmor.d/groups/browsers/firefox
+++ b/apparmor.d/groups/browsers/firefox
@@ -134,7 +134,7 @@ profile firefox @{exec_path} flags=(attach_disconnected) {
   @{firefox_lib_dirs}/{,**}             r,
   @{firefox_lib_dirs}/*.so              mr,
   @{firefox_lib_dirs}/crashreporter     rPx,
-  @{firefox_lib_dirs}/glxtest          rPUx,
+  @{firefox_lib_dirs}/glxtest           rix,
   @{firefox_lib_dirs}/minidump-analyzer rPx,
   @{firefox_lib_dirs}/pingsender        rPx,
   @{firefox_lib_dirs}/plugin-container  rPx,