diff --git a/src/pylorax/__init__.py b/src/pylorax/__init__.py
index f85ae59a..87d337a0 100644
--- a/src/pylorax/__init__.py
+++ b/src/pylorax/__init__.py
@@ -381,10 +381,14 @@ class Lorax(BaseLoraxClass):
         else:
             logger.info("took {0:.2f} seconds".format(elapsed))
 
-        # XXX copy initrd to isolinuxdir and pxebootdir
-        shutil.copy2(initrd.fpath, self.outputtree.isolinuxdir)
+        # copy initrd to pxebootdir
         shutil.copy2(initrd.fpath, self.outputtree.pxebootdir)
 
+        # make initrd hardlink in isolinuxdir
+        source = joinpaths(self.outputtree.pxebootdir, initrd.fname)
+        link_name = joinpaths(self.outputtree.isolinuxdir, initrd.fname)
+        os.link(source, link_name)
+
         # create efi images
         efiboot = None
         if grubefi: