diff --git a/app/controllers/api/sessions_controller.rb b/app/controllers/api/sessions_controller.rb
index b8c3a1f..02b0db1 100644
--- a/app/controllers/api/sessions_controller.rb
+++ b/app/controllers/api/sessions_controller.rb
@@ -4,7 +4,7 @@ class API::SessionsController < API::ApplicationController
   def create
     user = User.find_by_email(params[:session][:email])
 
-    if ! user.try(:authenticate?, params[:session][:password])
+    if !user.try(:authenticate?, params[:session][:password])
       return render json: '', status: :not_found
     end
 
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 5b576b9..1522d6a 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -7,7 +7,7 @@ class UsersController < ApplicationController
 
   def create
     @user = User.new(params[:user])
-    if ! @user.save
+    if !@user.save
       render :new
     else
       self.current_user =  @user