diff --git a/main.py b/main.py
index 5f74ffe..1e46356 100755
--- a/main.py
+++ b/main.py
@@ -88,6 +88,7 @@ def handleSms(sms):
     global DISABLE_SEM
     global PRODUCTS
     global LAST_PRODUCT
+    global LAST_REQUEST_ID
     
     logger.info(u'Incoming SMS from: {0}; Time: {1}; Message: {2}'.format(sms.number, sms.time, sms.text))