diff --git a/infra/helper.py b/infra/helper.py
index cc7cf8b1e..6e31d4c5f 100755
--- a/infra/helper.py
+++ b/infra/helper.py
@@ -203,7 +203,7 @@ def _add_engine_args(parser):
 def _add_sanitizer_args(parser):
   """Add common sanitizer args."""
   parser.add_argument('--sanitizer', default='address',
-                      choices=['address', 'memory', 'undefined', 'coverage'])
+                      choices=['address', 'memory', 'undefined', 'coverage', 'profile'])
 
 
 def _add_environment_args(parser):