diff --git a/src/browser/base/content/zen-styles/zen-profile-dialog.css b/src/browser/base/content/zen-styles/zen-profile-dialog.css
index 805cd9282..fa721beda 100644
--- a/src/browser/base/content/zen-styles/zen-profile-dialog.css
+++ b/src/browser/base/content/zen-styles/zen-profile-dialog.css
@@ -5,7 +5,7 @@
 }
 
 #PanelUI-zen-profiles-header {
-  width: 280px;
+  width: 100%;
   height: 130px;
   background: color-mix(in srgb, var(--zen-primary-color) 80%, white 20%);
   position: relative;