diff --git a/app/controllers/auth/registrations_controller.rb b/app/controllers/auth/registrations_controller.rb
index 745b91d461..78feb1631e 100644
--- a/app/controllers/auth/registrations_controller.rb
+++ b/app/controllers/auth/registrations_controller.rb
@@ -41,7 +41,6 @@ class Auth::RegistrationsController < Devise::RegistrationsController
 
     resource.locale             = I18n.locale
     resource.invite_code        = params[:invite_code] if resource.invite_code.blank?
-    resource.agreement          = true
     resource.current_sign_in_ip = request.remote_ip
 
     resource.build_account if resource.account.nil?
@@ -49,7 +48,7 @@ class Auth::RegistrationsController < Devise::RegistrationsController
 
   def configure_sign_up_params
     devise_parameter_sanitizer.permit(:sign_up) do |u|
-      u.permit({ account_attributes: [:username], invite_request_attributes: [:text] }, :email, :password, :password_confirmation, :invite_code)
+      u.permit({ account_attributes: [:username], invite_request_attributes: [:text] }, :email, :password, :password_confirmation, :invite_code, :agreement)
     end
   end
 
diff --git a/spec/controllers/auth/registrations_controller_spec.rb b/spec/controllers/auth/registrations_controller_spec.rb
index 3e11b34b53..c2e9f33a82 100644
--- a/spec/controllers/auth/registrations_controller_spec.rb
+++ b/spec/controllers/auth/registrations_controller_spec.rb
@@ -100,7 +100,7 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
       subject do
         Setting.registrations_mode = 'open'
         request.headers["Accept-Language"] = accept_language
-        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678' } }
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'true' } }
       end
 
       it 'redirects to setup' do
@@ -116,6 +116,26 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
       end
     end
 
+    context 'when user has not agreed to terms of service' do
+      around do |example|
+        registrations_mode = Setting.registrations_mode
+        example.run
+        Setting.registrations_mode = registrations_mode
+      end
+
+      subject do
+        Setting.registrations_mode = 'open'
+        request.headers["Accept-Language"] = accept_language
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'false' } }
+      end
+
+      it 'does not create user' do
+        subject
+        user = User.find_by(email: 'test@example.com')
+        expect(user).to be_nil
+      end
+    end
+
     context 'approval-based registrations without invite' do
       around do |example|
         registrations_mode = Setting.registrations_mode
@@ -126,7 +146,7 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
       subject do
         Setting.registrations_mode = 'approved'
         request.headers["Accept-Language"] = accept_language
-        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678' } }
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'true' } }
       end
 
       it 'redirects to setup' do
@@ -154,7 +174,7 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         Setting.registrations_mode = 'approved'
         request.headers["Accept-Language"] = accept_language
         invite = Fabricate(:invite, max_uses: nil, expires_at: 1.hour.ago)
-        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', 'invite_code': invite.code } }
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', 'invite_code': invite.code, agreement: 'true' } }
       end
 
       it 'redirects to setup' do
@@ -182,7 +202,7 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         Setting.registrations_mode = 'approved'
         request.headers["Accept-Language"] = accept_language
         invite = Fabricate(:invite, max_uses: nil, expires_at: 1.hour.from_now)
-        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', 'invite_code': invite.code } }
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', 'invite_code': invite.code, agreement: 'true' } }
       end
 
       it 'redirects to setup' do