diff --git a/app/assets/javascripts/admin/models/admin_user.js b/app/assets/javascripts/admin/models/admin_user.js
index ab7aa34ff..ddfa2d4c1 100644
--- a/app/assets/javascripts/admin/models/admin_user.js
+++ b/app/assets/javascripts/admin/models/admin_user.js
@@ -204,7 +204,7 @@ Discourse.AdminUser = Discourse.User.extend({
   },
 
   sendActivationEmail: function() {
-    Discourse.ajax('/users/' + this.get('username') + '/send_activation_email').then(function() {
+    Discourse.ajax('/users/' + this.get('username') + '/send_activation_email', {type: 'POST'}).then(function() {
       // succeeded
       bootbox.alert( Em.String.i18n('admin.user.activation_email_sent') );
     }, function(e) {
diff --git a/app/assets/javascripts/discourse/controllers/not_activated_controller.js b/app/assets/javascripts/discourse/controllers/not_activated_controller.js
index e1458697f..5b529bd3d 100644
--- a/app/assets/javascripts/discourse/controllers/not_activated_controller.js
+++ b/app/assets/javascripts/discourse/controllers/not_activated_controller.js
@@ -11,7 +11,7 @@ Discourse.NotActivatedController = Discourse.Controller.extend(Discourse.ModalFu
   emailSent: false,
 
   sendActivationEmail: function() {
-    Discourse.ajax('/users/' + this.get('username') + '/send_activation_email');
+    Discourse.ajax('/users/' + this.get('username') + '/send_activation_email', {type: 'POST'});
     this.set('emailSent', true);
   }
 
diff --git a/config/routes.rb b/config/routes.rb
index 7cb1d650f..4679da32c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -128,7 +128,7 @@ Discourse::Application.routes.draw do
   put 'users/:username/preferences/username' => 'users#username', constraints: {username: USERNAME_ROUTE_FORMAT}
   get 'users/:username/avatar(/:size)' => 'users#avatar', constraints: {username: USERNAME_ROUTE_FORMAT}
   get 'users/:username/invited' => 'users#invited', constraints: {username: USERNAME_ROUTE_FORMAT}
-  get 'users/:username/send_activation_email' => 'users#send_activation_email', constraints: {username: USERNAME_ROUTE_FORMAT}
+  post 'users/:username/send_activation_email' => 'users#send_activation_email', constraints: {username: USERNAME_ROUTE_FORMAT}
 
   resources :uploads
 
diff --git a/spec/controllers/users_controller_spec.rb b/spec/controllers/users_controller_spec.rb
index 0587cef32..a44ffef20 100644
--- a/spec/controllers/users_controller_spec.rb
+++ b/spec/controllers/users_controller_spec.rb
@@ -887,7 +887,7 @@ describe UsersController do
       context 'with a valid email_token' do
         it 'should send the activation email' do
           Jobs.expects(:enqueue).with(:user_email, has_entries(type: :signup))
-          xhr :get, :send_activation_email, username: user.username
+          xhr :post, :send_activation_email, username: user.username
         end
       end
 
@@ -899,13 +899,13 @@ describe UsersController do
 
         it 'should generate a new token' do
           expect {
-            xhr :get, :send_activation_email, username: user.username
+            xhr :post, :send_activation_email, username: user.username
           }.to change{ user.email_tokens(true).count }.by(1)
         end
 
         it 'should send an email' do
           Jobs.expects(:enqueue).with(:user_email, has_entries(type: :signup))
-          xhr :get, :send_activation_email, username: user.username
+          xhr :post, :send_activation_email, username: user.username
         end
       end
     end
@@ -913,7 +913,7 @@ describe UsersController do
     context 'when username does not exist' do
       it 'should not send an email' do
         Jobs.expects(:enqueue).never
-        xhr :get, :send_activation_email, username: 'nopenopenopenope'
+        xhr :post, :send_activation_email, username: 'nopenopenopenope'
       end
     end
   end