diff --git a/boto/resultset.py b/boto/resultset.py
index 969fc4a9ab..ad11e7b7f0 100644
--- a/boto/resultset.py
+++ b/boto/resultset.py
@@ -36,7 +36,7 @@ def startElement(self, name, attrs, connection):
 
     def endElement(self, name, value, connection):
         if name == 'IsTruncated':
-            self.is_truncated = value
+            self.is_truncated = bool(value)
         elif name == 'Marker':
             self.marker = value
         elif name == 'Prefix':