diff --git a/docs/html/google/play/billing/billing_integrate.jd b/docs/html/google/play/billing/billing_integrate.jd
index 57227a84ebbf4..949752a3ed9a5 100644
--- a/docs/html/google/play/billing/billing_integrate.jd
+++ b/docs/html/google/play/billing/billing_integrate.jd
@@ -157,7 +157,7 @@ public void onCreate(Bundle savedInstanceState) {
 @Override
 public void onDestroy() {
     super.onDestroy();
-    if (mServiceConn != null) {
+    if (mService != null) {
         unbindService(mServiceConn);
     }	
 }