diff --git a/tests/nodes/wscript b/tests/nodes/wscript
index 36302a5c..debb5c1a 100644
--- a/tests/nodes/wscript
+++ b/tests/nodes/wscript
@@ -1,5 +1,7 @@
 #! /usr/bin/env python3
 
+from waflib import Utils
+
 top = '.'
 out = 'bin'
 
@@ -19,6 +21,7 @@ def build(bld):
 	t = bld(rule='touch ${TGT}', target='bbb', source='aaa')
 	t = bld(rule='touch ${TGT}', target='ccc', source='bbb')
 	t = bld(rule='touch ${TGT}', target='ddd', source='ccc')
+	t = bld(rule=('touch ${TGT}', 'touch ${TGT}'), target='eee', source='ddd', chmod=Utils.O755)
 	t.create_task('foo')
 
 	#print( 'path from srcnode', bld.path.find_or_declare('aaa').path_from(bld.bldnode) )
diff --git a/waflib/TaskGen.py b/waflib/TaskGen.py
index 635d8681..e3547437 100644
--- a/waflib/TaskGen.py
+++ b/waflib/TaskGen.py
@@ -571,7 +571,12 @@ def process_rule(self):
 			def chmod_fun(tsk):
 				for x in tsk.outputs:
 					os.chmod(x.abspath(), self.chmod)
-			rule = (self.rule, chmod_fun)
+			if isinstance(self.rule, tuple):
+				rule = list(self.rule)
+				rule.append(chmod_fun)
+				rule = tuple(rule)
+			else:
+				rule = (rule, chmod_fun)
 
 		cls = Task.task_factory(name, rule,
 			getattr(self, 'vars', []),