diff --git a/web/extensions/core/maskeditor.js b/web/extensions/core/maskeditor.js
index b3e170dde..5f3c81f0c 100644
--- a/web/extensions/core/maskeditor.js
+++ b/web/extensions/core/maskeditor.js
@@ -153,7 +153,8 @@ class MaskEditorDialog extends ComfyDialog {
 		var brush = document.createElement("div");
 		brush.id = "brush";
 		brush.style.backgroundColor = "transparent";
-		brush.style.backdropFilter = "invert(1)"
+		brush.style.outline = "1px dashed black";
+		brush.style.boxShadow = "0 0 0 1px white";
 		brush.style.borderRadius = "50%";
 		brush.style.MozBorderRadius = "50%";
 		brush.style.WebkitBorderRadius = "50%";