diff --git a/keyvaluestore/managers.py b/keyvaluestore/managers.py
index f868827..2593804 100644
--- a/keyvaluestore/managers.py
+++ b/keyvaluestore/managers.py
@@ -18,3 +18,10 @@ def get_value_for_key(self, key):
                 raise KeyError(_(u"The request key '%s' could not be found." % (key,)))
         else:
             return cached
+
+    def get_or_create(self, defaults=None, **kwargs):
+        if 'key' in kwargs:
+            kwargs['key'] = kwargs['key'].upper()
+
+        return super(KeyValueStoreManager, self).get_or_create(
+            defaults=defaults, **kwargs)