diff --git a/sgx-bwmsgsv2.rb b/sgx-bwmsgsv2.rb
index fe0bd66078e997567735c31dab4f5e791a319a27..d60c4a5d1503aa0e299195ebbe00d4763eab4257 100755
--- a/sgx-bwmsgsv2.rb
+++ b/sgx-bwmsgsv2.rb
@@ -530,7 +530,7 @@ module SGXbwmsgsv2
 	end
 
 	def self.check_then_register(i, *creds)
-		registration_repo
+		@registration_repo
 			.put(i.from, *creds)
 			.catch_only(RegistrationRepo::Conflict) { |e|
 				EMPromise.reject([:cancel, 'conflict', e.message])