diff --git a/app/assets/javascripts/admin/customers/directives/new_customer_dialog.js.coffee b/app/assets/javascripts/admin/customers/directives/new_customer_dialog.js.coffee
index 884f868e52..44d70608b7 100644
--- a/app/assets/javascripts/admin/customers/directives/new_customer_dialog.js.coffee
+++ b/app/assets/javascripts/admin/customers/directives/new_customer_dialog.js.coffee
@@ -12,7 +12,10 @@ angular.module("admin.customers").directive 'newCustomerDialog', ($compile, $tem
       scope.submitted = true
       scope.errors = []
       if scope.new_customer_form.$valid
-        Customers.add(scope.email).$promise.then (data) ->
+        params =
+          enterprise_id: CurrentShop.shop.id
+          email: scope.email
+        Customers.add(params).$promise.then (data) ->
           if data.id
             scope.email = ""
             scope.submitted = false
diff --git a/app/assets/javascripts/admin/resources/services/customers.js.coffee b/app/assets/javascripts/admin/resources/services/customers.js.coffee
index 1aeb11dbd8..99805bb959 100644
--- a/app/assets/javascripts/admin/resources/services/customers.js.coffee
+++ b/app/assets/javascripts/admin/resources/services/customers.js.coffee
@@ -1,13 +1,10 @@
-angular.module("admin.resources").factory "Customers", ($q, InfoDialog, RequestMonitor, CustomerResource, CurrentShop) ->
+angular.module("admin.resources").factory "Customers", ($q, InfoDialog, RequestMonitor, CustomerResource) ->
   new class Customers
     all: []
     byID: {}
     pristineByID: {}
 
-    add: (email) ->
-      params =
-        enterprise_id: CurrentShop.shop.id
-        email: email
+    add: (params) ->
       CustomerResource.create params, (customer) =>
         if customer.id
           @all.unshift customer
diff --git a/spec/javascripts/unit/admin/customers/services/customers_spec.js.coffee b/spec/javascripts/unit/admin/customers/services/customers_spec.js.coffee
index 569701d29c..7c4f23e4b9 100644
--- a/spec/javascripts/unit/admin/customers/services/customers_spec.js.coffee
+++ b/spec/javascripts/unit/admin/customers/services/customers_spec.js.coffee
@@ -1,5 +1,5 @@
 describe "Customers", ->
-  Customers = CurrentShop = customers = $httpBackend = null
+  Customers = customers = $httpBackend = null
 
   beforeEach ->
     module 'admin.customers'
@@ -9,15 +9,14 @@ describe "Customers", ->
         compare: (actual, expected) ->
           { pass: angular.equals(actual, expected) }
 
-    inject ($q, _$httpBackend_, _Customers_, _CurrentShop_) ->
+    inject ($q, _$httpBackend_, _Customers_) ->
       Customers = _Customers_
 
   describe "scope.add", ->
-    it "creates a new customer", inject ($httpBackend, CurrentShop) ->
+    it "creates a new customer", inject ($httpBackend) ->
       email = "customer@example.org"
       newCustomer = {id: 6, email: email}
-      CurrentShop.shop = { id: 3 }
       $httpBackend.expectPOST('/admin/customers.json?email=' + email + '&enterprise_id=3').respond 200, newCustomer
-      Customers.add(email)
+      Customers.add(email: email, enterprise_id: 3)
       $httpBackend.flush()
       expect(Customers.all).toDeepEqual [newCustomer]