diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index ed644e28d0e3ccccbbf8313da5eb856368585f9d..58cb293265138a94f8358a02311bbe23c4abb889 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -383,7 +383,7 @@ module Homebrew
   def forked_repo_info(tap_full_name)
     response = GitHub.create_fork(tap_full_name)
   rescue GitHub::AuthenticationFailedError, *GitHub.api_errors => e
-    formula.path.atomic_write(backup_file) unless args.dry_run?
+    formula.path.atomic_write(backup_file)
     odie "Unable to fork: #{e.message}!"
   else
     # GitHub API responds immediately but fork takes a few seconds to be ready.