diff --git a/app/assets/javascripts/discourse/controllers/invites-show.js.es6 b/app/assets/javascripts/discourse/controllers/invites-show.js.es6
index 78c6bbcf0c..128269b8e6 100644
--- a/app/assets/javascripts/discourse/controllers/invites-show.js.es6
+++ b/app/assets/javascripts/discourse/controllers/invites-show.js.es6
@@ -94,8 +94,9 @@ export default Ember.Controller.extend(
                 "successMessage",
                 result.message || I18n.t("invites.success")
               );
-              this.set("redirectTo", result.redirect_to);
-              DiscourseURL.redirectTo(result.redirect_to || "/");
+              if (result.redirect_to) {
+                DiscourseURL.redirectTo(result.redirect_to || "/");
+              }
             } else {
               if (
                 result.errors &&
diff --git a/app/assets/javascripts/discourse/templates/invites/show.hbs b/app/assets/javascripts/discourse/templates/invites/show.hbs
index 65c775087b..e8877238d3 100644
--- a/app/assets/javascripts/discourse/templates/invites/show.hbs
+++ b/app/assets/javascripts/discourse/templates/invites/show.hbs
@@ -8,13 +8,12 @@
     </div>
 
     <div class="col-form">
-      <p>{{i18n 'invites.invited_by'}}</p>
-
-      <p>{{user-info user=invitedBy}}</p>
-
       {{#if successMessage}}
-        <p>{{successMessage}}</p>
+        <br/><br/>
+        <div class='alert alert-info'><p>{{{successMessage}}}</p></div>
       {{else}}
+        <p>{{i18n 'invites.invited_by'}}</p>
+        <p>{{user-info user=invitedBy}}</p>
 
         <p>{{{yourEmailMessage}}}
         {{#if externalAuthsEnabled}}
@@ -63,7 +62,6 @@
             <br/><br/>
             <div class='alert alert-error'>{{errorMessage}}</div>
           {{/if}}
-
         </form>
       {{/if}}
     </div>
diff --git a/app/controllers/invites_controller.rb b/app/controllers/invites_controller.rb
index c888cffab4..a178e401da 100644
--- a/app/controllers/invites_controller.rb
+++ b/app/controllers/invites_controller.rb
@@ -47,16 +47,19 @@ class InvitesController < ApplicationController
       begin
         user = invite.redeem(username: params[:username], name: params[:name], password: params[:password], user_custom_fields: params[:user_custom_fields])
         if user.present?
-          log_on_user(user)
+          log_on_user(user) if user.active?
           post_process_invite(user)
         end
 
-        topic = user.present? ? invite.topics.first : nil
+        response = { success: true }
+        if user.present? && user.active?
+          topic = invite.topics.first
+          response[:redirect_to] = topic.present? ? path("#{topic.relative_url}") : path("/")
+        else
+          response[:message] = I18n.t('invite.confirm_email')
+        end
 
-        render json: {
-          success: true,
-          redirect_to: topic.present? ? path("#{topic.relative_url}") : path("/")
-        }
+        render json: response
       rescue ActiveRecord::RecordInvalid, ActiveRecord::RecordNotSaved => e
         render json: {
           success: false,
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 906e5eea50..743a573e48 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -185,6 +185,7 @@ en:
 
       <p>Otherwise please <a href="%{base_url}/password-reset">Reset Password</a>.</p>
     user_exists: "There's no need to invite <b>%{email}</b>, they <a href='%{base_path}/u/%{username}/summary'>already have an account!</a>"
+    confirm_email: "<p>You’re almost done! We sent an activation mail to your email address. Please follow the instructions in the mail to activate your account.</p><p>If it doesn’t arrive, check your spam folder.</p>"
 
   bulk_invite:
     file_should_be_csv: "The uploaded file should be of csv format."
diff --git a/spec/requests/invites_controller_spec.rb b/spec/requests/invites_controller_spec.rb
index c2557e5c7c..b814df7234 100644
--- a/spec/requests/invites_controller_spec.rb
+++ b/spec/requests/invites_controller_spec.rb
@@ -355,6 +355,7 @@ describe InvitesController do
                 put "/invites/show/#{invite.invite_key}.json", params: { password: "verystrongpassword" }
                 expect(response.status).to eq(200)
                 expect(JSON.parse(response.body)["success"]).to eq(true)
+                expect(JSON.parse(response.body)["message"]).to eq(I18n.t("invite.confirm_email"))
 
                 invited_user = User.find_by_email(invite.email)
                 expect(invited_user.active).to eq(false)