diff --git a/tools/archive.py b/tools/archive.py
index 013ff15..1a5de28 100755
--- a/tools/archive.py
+++ b/tools/archive.py
@@ -79,7 +79,7 @@
   return GetVersionDestination('http://storage.googleapis.com/', '', is_master)
 
 def Main():
-  if utils.is_bot():
+  if not utils.is_bot():
     raise Exception('You are not a bot, don\'t archive builds')
 
   # Generate an r8-ed build without dependencies.