diff --git a/waflib/Runner.py b/waflib/Runner.py
index 91d55479..350c86a2 100644
--- a/waflib/Runner.py
+++ b/waflib/Runner.py
@@ -71,7 +71,7 @@ class Consumer(Utils.threading.Thread):
 		"""Task to execute"""
 		self.spawner = spawner
 		"""Coordinator object"""
-		self.setDaemon(1)
+		self.daemon = True
 		self.start()
 	def run(self):
 		"""
@@ -98,7 +98,7 @@ class Spawner(Utils.threading.Thread):
 		""":py:class:`waflib.Runner.Parallel` producer instance"""
 		self.sem = Utils.threading.Semaphore(master.numjobs)
 		"""Bounded semaphore that prevents spawning more than *n* concurrent consumers"""
-		self.setDaemon(1)
+		self.daemon = True
 		self.start()
 	def run(self):
 		"""
diff --git a/waflib/fixpy2.py b/waflib/fixpy2.py
index 24176e06..c99bff4b 100644
--- a/waflib/fixpy2.py
+++ b/waflib/fixpy2.py
@@ -56,7 +56,7 @@ def r1(code):
 @subst('Runner.py')
 def r4(code):
 	"generator syntax"
-	return code.replace('next(self.biter)', 'self.biter.next()')
+	return code.replace('next(self.biter)', 'self.biter.next()').replace('self.daemon = True', 'self.setDaemon(1)')
 
 @subst('Context.py')
 def r5(code):