diff --git a/app/assets/stylesheets/bubbles.css b/app/assets/stylesheets/bubbles.css
index 2c2bfd8a0..374cbf76c 100644
--- a/app/assets/stylesheets/bubbles.css
+++ b/app/assets/stylesheets/bubbles.css
@@ -481,7 +481,7 @@
   }
 
   .bubble__perma & {
-    stroke-width: 0.6em;
+    border-width: 0.4em;
   }
 
   :is(.windshield, .bubbles-list) .bubble--wobble & {