diff --git a/logzio/handler.py b/logzio/handler.py
index d7ab03c..9c223a5 100644
--- a/logzio/handler.py
+++ b/logzio/handler.py
@@ -18,7 +18,7 @@ class LogzioHandler(logging.Handler):
                  url="https://listener.logz.io:8071",
                  debug=False):
 
-        if token is "":
+        if not token:
             raise LogzioException("Logz.io Token must be provided")
 
         self.logzio_type = logzio_type