--- a/python/asmnodes.py	Sun Jun 23 18:23:18 2013 +0200
+++ b/python/asmnodes.py	Fri Jun 28 16:49:38 2013 +0200
@@ -36,11 +36,11 @@
         return '{0} {1} {2}'.format(self.op, self.arg1, self.arg2)
 
 class AUnop(AExpression):
-    def __init__(self, op, arg):
-        self.op = op
+    def __init__(self, operation, arg):
+        self.operation = operation
         self.arg = arg
     def __repr__(self):
-        return '{0} {1}'.format(self.op, self.arg)
+        return '{0} {1}'.format(self.operation, self.arg)
 
 class ASymbol(AExpression):
     def __init__(self, name):