diff --git a/waflib/Task.py b/waflib/Task.py
index 50d7d2e2..cbe10322 100644
--- a/waflib/Task.py
+++ b/waflib/Task.py
@@ -445,7 +445,7 @@ class Task(TaskBase):
 		try:
 			ins = ",".join([x.name for x in self.inputs])
 			outs = ",".join([x.name for x in self.outputs])
-		except TypeError:
+		except AttributeError:
 			ins = ",".join([str(x) for x in self.inputs])
 			outs = ",".join([str(x) for x in self.outputs])
 		return "".join(['\n\t{task %r: ' % id(self), self.__class__.__name__, " ", ins, " -> ", outs, '}'])