diff --git a/security/manager/pki/resources/content/exceptionDialog.js b/security/manager/pki/resources/content/exceptionDialog.js
index 4b71d488abdb..39374115c870 100644
--- a/security/manager/pki/resources/content/exceptionDialog.js
+++ b/security/manager/pki/resources/content/exceptionDialog.js
@@ -300,6 +300,8 @@ function updateCertStatus() {
     setText("status3LongDescription", gPKIBundle.getString(longDesc3));
   }
 
+  window.sizeToContent();
+
   gNeedReset = true;
 }