diff --git a/src/zen/urlbar/ZenSiteDataPanel.sys.mjs b/src/zen/urlbar/ZenSiteDataPanel.sys.mjs
index b8d7e79f5..90e037b09 100644
--- a/src/zen/urlbar/ZenSiteDataPanel.sys.mjs
+++ b/src/zen/urlbar/ZenSiteDataPanel.sys.mjs
@@ -250,12 +250,12 @@ export class nsZenSiteDataPanel {
     const boostButton = this.document.getElementById("zen-site-data-boost");
     if (!canBoostSite) {
       boostButton.removeAttribute("boosting");
-    }
-
-    if (!canBoostSite) {
+      boostButton.setAttribute("disabled", "true");
       return;
     }
 
+    boostButton.removeAttribute("disabled");
+
     if (lazy.gZenBoostsManager.registeredBoostForDomain(domain)) {
       boostButton.setAttribute("boosting", "true");
     } else {