Index: defaulttags.py
===================================================================
--- defaulttags.py	(revision 9524)
+++ defaulttags.py	(working copy)
@@ -289,6 +289,10 @@
         self.filepath, self.parsed = filepath, parsed
 
     def render(self, context):
+        
+        if context.has_key(self.filepath):
+            self.filepath = context[self.filepath]
+
         if not include_is_allowed(self.filepath):
             if settings.DEBUG:
                 return "[Didn't have permission to include file]"
