diff --git a/xCAT-server/share/xcat/netboot/rh/genimage b/xCAT-server/share/xcat/netboot/rh/genimage
index 073911747..7c49e862a 100755
--- a/xCAT-server/share/xcat/netboot/rh/genimage
+++ b/xCAT-server/share/xcat/netboot/rh/genimage
@@ -491,6 +491,8 @@ sub mkinitrd_dracut {
     cp("$fullpath/dracut/check", $dracutmpath);
     chmod($perm&07777, "$dracutmpath/check");
 
+    foreach (@ndrivers) { s/\.ko$//; }
+
     my $add_drivers = join(' ', @ndrivers);
     my $DRACUTCONF;