diff --git a/app/models/storage_profile.rb b/app/models/storage_profile.rb
index 5c7be1c20a3..a3f403d51fc 100644
--- a/app/models/storage_profile.rb
+++ b/app/models/storage_profile.rb
@@ -1,5 +1,5 @@
 class StorageProfile < ApplicationRecord
-  belongs_to :ext_management_system
+  belongs_to :ext_management_system,  :foreign_key => :ems_id
   has_many :storage_profile_storages, :dependent  => :destroy
   has_many :storages,                 :through    => :storage_profile_storages
   has_many :vms_and_templates,        :dependent  => :nullify