diff --git a/Library/Homebrew/dev-cmd/bump-cask-pr.rb b/Library/Homebrew/dev-cmd/bump-cask-pr.rb
index d8d2da7150..ca57df4510 100644
--- a/Library/Homebrew/dev-cmd/bump-cask-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-cask-pr.rb
@@ -196,7 +196,7 @@ module Homebrew
   end
 
   def check_pull_requests(cask, state:, args:, version: nil)
-    tap_remote_repo = cask.tap.remote_repo || cask.tap.full_name
+    tap_remote_repo = cask.tap.full_name || cask.tap.remote_repo
     GitHub.check_for_duplicate_pull_requests(cask.token, tap_remote_repo,
                                              state:   state,
                                              version: version,
diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index e31d06dd98..0fc23e0e70 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -121,7 +121,7 @@ module Homebrew
     # spamming during normal output.
     Homebrew.install_bundler_gems!
 
-    tap_remote_repo = formula.tap.remote_repo
+    tap_remote_repo = formula.tap.full_name || formula.tap.remote_repo
     remote = "origin"
     remote_branch = formula.tap.path.git_origin_branch
     previous_branch = "-"