diff --git a/tools/python/xen/xend/image.py b/tools/python/xen/xend/image.py
index 6bbe1ece87..ef6db122b9 100644
--- a/tools/python/xen/xend/image.py
+++ b/tools/python/xen/xend/image.py
@@ -755,9 +755,8 @@ class HVMImageHandler(ImageHandler):
         if not self.display :
             self.display = ''
 
-        store_dmargs = self.dmargs[:]
-        store_dmargs.remove('-sdl')
-        store_dmargs.remove('-disable-opengl')
+        store_dmargs = [ x for x in self.dmargs
+                         if x not in ['-sdl', '-disable-opengl'] ]
         try :
             midx = store_dmargs.index('-monitor')
             store_dmargs[midx + 1] = 'pty'