diff --git a/Library/Homebrew/dev-cmd/bump.rb b/Library/Homebrew/dev-cmd/bump.rb
index 1edf55f811..e9422d9e56 100644
--- a/Library/Homebrew/dev-cmd/bump.rb
+++ b/Library/Homebrew/dev-cmd/bump.rb
@@ -58,7 +58,7 @@ module Homebrew
 
         conflicts "--cask", "--formula"
         conflicts "--tap=", "--installed"
-        conflicts "--tap=", "--no-auto"
+        conflicts "--tap=", "--no-autobump"
         conflicts "--eval-all", "--installed"
         conflicts "--installed", "--auto"
         conflicts "--no-pull-requests", "--open-pr"