=== modified file 'storm/databases/oracle.py'
--- storm/databases/oracle.py	2008-12-12 18:08:10 +0000
+++ storm/databases/oracle.py	2008-11-12 21:03:56 +0000
@@ -400,7 +400,7 @@
 
             if isinstance(value, unicode):
                 value = value.encode("UTF-8")
-            elif isinstance(value, str) and isinstance(param, PickleVariable):
+            elif isinstance(value, str) and isinstance(variable, PickleVariable):
                 value = base64.encodestring(value)
 
             new_params.append(value)