diff --git a/lib/peripheral.js b/lib/peripheral.js
index 48e7b12c3..233459b26 100644
--- a/lib/peripheral.js
+++ b/lib/peripheral.js
@@ -50,6 +50,7 @@ Peripheral.prototype.connect = function(callback) {
 Peripheral.prototype.disconnect = function(callback) {
   if (callback) {
     this.once('disconnect', function() {
+      this.services = null;
       callback(null);
     });
   }