diff --git a/picom/.config/picom/picom.conf b/picom/.config/picom/picom.conf
index fa24dc5..9f5062f 100644
--- a/picom/.config/picom/picom.conf
+++ b/picom/.config/picom/picom.conf
@@ -3,5 +3,6 @@ inactive-opacity = 0.9;
 
 opacity-rule = [
 	"100:name ~?= 'YouTube — Mozilla Firefox'",
-	"100:name ~?= 'Twitch — Mozilla Firefox'"
+	"100:name ~?= 'Twitch — Mozilla Firefox'",
+	"100:class_g = 'Zathura'"
 ]