diff --git a/lib/customer.rb b/lib/customer.rb
index 0b8e60026e0cd82e67a433581ebe52838a989072..76685135804ae81f47057b76fee792e643ab7fcf 100644
--- a/lib/customer.rb
+++ b/lib/customer.rb
@@ -15,7 +15,7 @@ class Customer
 			raise "Saving new jid,customer to redis failed"
 		end
 
-		return if REDIS.set(redis_key_customer_id, @jid) == "OK"
+		return if REDIS.set(redis_key_customer_id, normalized_jid) == "OK"
 
 		raise "Saving new customer,jid to redis failed"
 	end
@@ -26,12 +26,16 @@ class Customer
 
 protected
 
+	def normalized_jid
+		@jid.to_s.downcase
+	end
+
 	def redis_trust_level
 		"jmp_customer_trust_level-#{@customer_id}"
 	end
 
 	def redis_key_jid
-		"jmp_customer_id-#{@jid}"
+		"jmp_customer_id-#{normalized_jid}"
 	end
 
 	def redis_key_customer_id