diff --git a/usr/bin/jsub b/jsub
index 4c40494..91f0477 100755
--- a/usr/bin/jsub
+++ b/jsub
@@ -394,6 +394,10 @@ def build_qsub_argparser():
     parser.add_argument(
         '-wd', nargs=1, metavar='working_dir',
         action=QsubAction, dest='qsub_args', help=argparse.SUPPRESS)
+    # Do or do not use a shell.
+    parser.add_argument(
+        '-shell', metavar='y[es]|n[o]', dest='shell',
+        type=argparse_qsub_bool, default=True, help=argparse.SUPPRESS)
     return parser
 
 
@@ -604,6 +608,7 @@ def main():
         '-l', 'h_vmem=%dk' % args.mem,
         '-q', args.queue,
         '-b', as_qsub_bool(args.binary),
+        '-shell', as_qsub_bool(args.shell),
     ])
 
     qsub_stdin = None