diff --git a/RadGridViewEFCodeFirst.Data/App.config b/RadGridViewEFCodeFirst.Data/App.config
index 1e210f8..b834f80 100644
--- a/RadGridViewEFCodeFirst.Data/App.config
+++ b/RadGridViewEFCodeFirst.Data/App.config
@@ -7,7 +7,7 @@
   <entityFramework>
     <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
     <providers>
-      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+      <provider invariantName="Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
     </providers>
   </entityFramework>
   <connectionStrings>