diff --git a/tools/performance_try.py b/tools/performance_try.py
index a319307..5830cea 100755
--- a/tools/performance_try.py
+++ b/tools/performance_try.py
@@ -13,7 +13,7 @@
 
 def Main():
   args = sys.argv[1:]
-  if len(args) != 1:
+  if len(args) != 1 or '--help' in args:
     print('Performance tracking takes exactly one argument, the name for display')
     return 1
   subprocess.check_call([DART, SCRIPT, args[0]])