diff --git a/sqlquerybuilder/__init__.py b/sqlquerybuilder/__init__.py
index 6a6b618..a0faa09 100644
--- a/sqlquerybuilder/__init__.py
+++ b/sqlquerybuilder/__init__.py
@@ -8,7 +8,7 @@ PYTHON3 = True
 if sys.version_info[0] < 3:
     PYTHON3 = False
 
-VERSION = "0.0.14"
+VERSION = "0.0.15"
 
 
 def is_map(obj):
@@ -308,6 +308,9 @@ class SQLQuery(object):
         return clone
 
     def __getitem__(self, slice):
+        if isinstance(slice, str):
+            raise IndexError
+
         clone = self._clone()
         clone._limits = slice
         return clone