diff --git a/lib/customer_repo.rb b/lib/customer_repo.rb
index 8be41f74898c3d7120be6cab295be3b35b66b43f..573dbd7c473a25b8c11732a5a929cb28401ffba4 100644
--- a/lib/customer_repo.rb
+++ b/lib/customer_repo.rb
@@ -81,7 +81,7 @@ protected
 	end
 
 	def mget(*keys)
-		@redis.mget(*keys).then { |values| Hash[keys.zip(values)] }
+		@redis.mget(*keys).then { |values| Hash[keys.zip(values.map(&:to_i))] }
 	end
 
 	def fetch_redis(customer_id)