--- a/testing/taskcluster/taskcluster_graph/commit_parser.py
+++ b/testing/taskcluster/taskcluster_graph/commit_parser.py
@@ -245,16 +245,18 @@ def parse_commit(message, jobs):
     parser = argparse.ArgumentParser()
     parser.add_argument('-b', '--build', dest='build_types')
     parser.add_argument('-p', '--platform', nargs='?', dest='platforms', const='all', default='all')
     parser.add_argument('-u', '--unittests', nargs='?', dest='tests', const='all', default='all')
     parser.add_argument('-i', '--interactive', dest='interactive', action='store_true', default=False)
     parser.add_argument('-j', '--job', dest='jobs', action='append')
     # In order to run test jobs multiple times
     parser.add_argument('--trigger-tests', dest='trigger_tests', type=int, default=1)
+    # Once bug 1250993 is fixed we can only use --trigger-tests
+    parser.add_argument('--rebuild', dest='trigger_tests', type=int, default=1)
     args, unknown = parser.parse_known_args(parts[try_idx:])
 
     # Normalize default value to something easier to detect.
     if args.jobs == ['all']:
         args.jobs = None
 
     # Expand commas.
     if args.jobs: