diff --git a/etc/zathura.profile b/etc/zathura.profile
index 922284353..186860c57 100644
--- a/etc/zathura.profile
+++ b/etc/zathura.profile
@@ -18,6 +18,7 @@ include disable-programs.inc
 include disable-xdg.inc
 
 caps.drop all
+# machine-id breaks audio; it should work fine in setups where sound is not required
 machine-id
 # net none
 # nodbus