diff --git a/.template-lintrc.js b/.template-lintrc.js
index 1f377ea0f14..232c2549ca6 100644
--- a/.template-lintrc.js
+++ b/.template-lintrc.js
@@ -35,7 +35,7 @@ module.exports = {
     "no-outlet-outside-routes": true,
     "no-partial": true,
     "no-positive-tabindex": false,
-    "no-quoteless-attributes": false,
+    "no-quoteless-attributes": true,
     "no-shadowed-elements": true,
     "no-trailing-spaces": true,
     "no-triple-curlies": true,
diff --git a/app/assets/javascripts/discourse/templates/preferences/account.hbs b/app/assets/javascripts/discourse/templates/preferences/account.hbs
index 70b8d20cd82..40802f66df3 100644
--- a/app/assets/javascripts/discourse/templates/preferences/account.hbs
+++ b/app/assets/javascripts/discourse/templates/preferences/account.hbs
@@ -119,7 +119,7 @@
             {{else}}
               <tr class={{dasherize authProvider.method.name}}>
                 <td>{{authProvider.method.prettyName}}</td>
-                  <td colspan=2>
+                  <td colspan="2">
                     {{#if authProvider.method.can_connect}}
                       {{d-button action=(action "connectAccount") actionParam=authProvider.method label="user.associated_accounts.connect" class="btn-default" icon="plug" disabled=disableConnectButtons}}
                     {{else}}