diff --git a/graphql_devise.gemspec b/graphql_devise.gemspec
index 33171287..3a4c937c 100644
--- a/graphql_devise.gemspec
+++ b/graphql_devise.gemspec
@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'faker'
   spec.add_development_dependency 'generator_spec'
   spec.add_development_dependency 'github_changelog_generator'
-  spec.add_development_dependency 'pry'
+  spec.add_development_dependency 'pry', '~> 0.12.2'
   spec.add_development_dependency 'pry-byebug'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec-rails'
diff --git a/lib/graphql_devise/rails/routes.rb b/lib/graphql_devise/rails/routes.rb
index a8e61288..277c9369 100644
--- a/lib/graphql_devise/rails/routes.rb
+++ b/lib/graphql_devise/rails/routes.rb
@@ -37,8 +37,9 @@ def mount_graphql_devise_for(resource, opts = {})
 
       devise_for(
         resource.pluralize.underscore.tr('/', '_').to_sym,
-        module: :devise,
-        skip:   [:sessions, :registrations, :passwords, :confirmations, :omniauth_callbacks, :unlocks, :invitations]
+        module:     :devise,
+        class_name: resource,
+        skip:       [:sessions, :registrations, :passwords, :confirmations, :omniauth_callbacks, :unlocks, :invitations]
       )
 
       authenticatable_type = opts[:authenticatable_type] ||
@@ -55,7 +56,7 @@ def mount_graphql_devise_for(resource, opts = {})
           custom_operations[action]
         else
           new_mutation = Class.new(mutation)
-          new_mutation.graphql_name("#{resource}#{action.to_s.camelize(:upper)}")
+          new_mutation.graphql_name("#{resource.gsub('::', '')}#{action.to_s.camelize(:upper)}")
           new_mutation.field(:authenticatable, authenticatable_type, null: true)
 
           new_mutation
@@ -83,7 +84,7 @@ def mount_graphql_devise_for(resource, opts = {})
           custom_operations[action]
         else
           new_query = Class.new(query)
-          new_query.graphql_name("#{resource}#{action.to_s.camelize(:upper)}")
+          new_query.graphql_name("#{resource.gsub('::', '')}#{action.to_s.camelize(:upper)}")
           new_query.type(authenticatable_type, null: true)
 
           new_query
diff --git a/spec/dummy/app/models/users.rb b/spec/dummy/app/models/users.rb
new file mode 100644
index 00000000..c7af3cf2
--- /dev/null
+++ b/spec/dummy/app/models/users.rb
@@ -0,0 +1,5 @@
+module Users
+  def self.table_name_prefix
+    'users_'
+  end
+end
diff --git a/spec/dummy/app/models/users/customer.rb b/spec/dummy/app/models/users/customer.rb
new file mode 100644
index 00000000..bdffb1ad
--- /dev/null
+++ b/spec/dummy/app/models/users/customer.rb
@@ -0,0 +1,9 @@
+module Users
+  class Customer < ApplicationRecord
+    devise :database_authenticatable, :validatable
+
+    include GraphqlDevise::Concerns::Model
+
+    validates :name, presence: true
+  end
+end
diff --git a/spec/dummy/config/routes.rb b/spec/dummy/config/routes.rb
index 1246bcde..b7cbb357 100644
--- a/spec/dummy/config/routes.rb
+++ b/spec/dummy/config/routes.rb
@@ -21,5 +21,11 @@
     at:   '/api/v1/guest/graphql_auth'
   )
 
+  mount_graphql_devise_for(
+    'Users::Customer',
+    only: [:login],
+    at:   '/api/v1/user_customer/graphql_auth'
+  )
+
   post '/api/v1/graphql', to: 'api/v1/graphql#graphql'
 end
diff --git a/spec/dummy/db/migrate/20200321121807_create_users_customers.rb b/spec/dummy/db/migrate/20200321121807_create_users_customers.rb
new file mode 100644
index 00000000..bcb72cf1
--- /dev/null
+++ b/spec/dummy/db/migrate/20200321121807_create_users_customers.rb
@@ -0,0 +1,22 @@
+class CreateUsersCustomers < ActiveRecord::Migration[6.0]
+  def change
+    create_table :users_customers do |t|
+      ## Required
+      t.string :provider, null: false, default: 'email'
+      t.string :uid, null: false, default: ''
+
+      ## Database authenticatable
+      t.string :encrypted_password, null: false, default: ''
+
+      ## User Info
+      t.string :email
+
+      ## Tokens
+      t.text :tokens
+
+      t.string :name, null: false
+
+      t.timestamps
+    end
+  end
+end
diff --git a/spec/dummy/db/schema.rb b/spec/dummy/db/schema.rb
index fdc6e356..f11049b8 100644
--- a/spec/dummy/db/schema.rb
+++ b/spec/dummy/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_10_13_213045) do
+ActiveRecord::Schema.define(version: 2020_03_21_121807) do
 
   create_table "admins", force: :cascade do |t|
     t.string "provider", default: "email", null: false
@@ -87,4 +87,15 @@
     t.index ["unlock_token"], name: "index_users_on_unlock_token", unique: true
   end
 
+  create_table "users_customers", force: :cascade do |t|
+    t.string "provider", default: "email", null: false
+    t.string "uid", default: "", null: false
+    t.string "encrypted_password", default: "", null: false
+    t.string "email"
+    t.text "tokens"
+    t.string "name", null: false
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
 end
diff --git a/spec/factories/users_customers.rb b/spec/factories/users_customers.rb
new file mode 100644
index 00000000..3f8c9e3f
--- /dev/null
+++ b/spec/factories/users_customers.rb
@@ -0,0 +1,7 @@
+FactoryBot.define do
+  factory :users_customer, class: 'Users::Customer' do
+    name      { Faker::FunnyName.two_word_name }
+    email     { Faker::Internet.unique.email }
+    password  { Faker::Internet.password }
+  end
+end
diff --git a/spec/requests/mutations/login_spec.rb b/spec/requests/mutations/login_spec.rb
index f99cde28..1ddcca32 100644
--- a/spec/requests/mutations/login_spec.rb
+++ b/spec/requests/mutations/login_spec.rb
@@ -146,4 +146,28 @@
       )
     end
   end
+
+  context 'when using the Users::Customer model' do
+    let(:customer) { create(:users_customer, password: password) }
+    let(:query) do
+      <<-GRAPHQL
+        mutation {
+          usersCustomerLogin(
+            email: "#{customer.email}",
+            password: "#{password}"
+          ) {
+            authenticatable { email }
+          }
+        }
+      GRAPHQL
+    end
+
+    before { post_request }
+
+    it 'works alongside the user mount point' do
+      expect(json_response[:data][:usersCustomerLogin]).to include(
+        authenticatable: { email: customer.email }
+      )
+    end
+  end
 end