diff --git a/app/assets/javascripts/discourse/templates/modal/invite.hbs b/app/assets/javascripts/discourse/templates/modal/invite.hbs
index e7215807c..2ffca0e33 100644
--- a/app/assets/javascripts/discourse/templates/modal/invite.hbs
+++ b/app/assets/javascripts/discourse/templates/modal/invite.hbs
@@ -17,7 +17,8 @@
                         usernames=emailOrUsername
                         allowedUsers="true"
                         topicId=topicId
-                        placeholderKey=placeholderKey}}
+                        placeholderKey=placeholderKey
+                        autocomplete="off"}}
       {{else}}
         {{user-selector
             single="true"
@@ -26,7 +27,8 @@
             includeMentionableGroups="true"
             hasGroups=hasGroups
             usernames=emailOrUsername
-            placeholderKey=placeholderKey}}
+            placeholderKey=placeholderKey
+            autocomplete="off"}}
       {{/if}}
     {{else}}
       {{text-field value=emailOrUsername placeholderKey="topic.invite_reply.email_placeholder"}}