diff --git a/analytical/utils.py b/analytical/utils.py
index d915cf4..b0841cf 100644
--- a/analytical/utils.py
+++ b/analytical/utils.py
@@ -21,8 +21,8 @@ def get_required_setting(setting, value_re, invalid_msg):
         value = getattr(settings, setting)
     except AttributeError:
         raise AnalyticalException("%s setting: not found" % setting)
-    if value is None:
-        raise AnalyticalException("%s setting is set to None" % setting)
+    if not value:
+        raise AnalyticalException("%s setting is not set" % setting)
     value = str(value)
     if not value_re.search(value):
         raise AnalyticalException("%s setting: %s: '%s'"