diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index 519cf2d4b4..abb1465d88 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -123,7 +123,7 @@ module Homebrew
 
     tap_remote_repo = formula.tap.full_name || formula.tap.remote_repo
     remote = "origin"
-    remote_branch = formula.tap.path.git_origin_branch
+    remote_branch = formula.tap.git_repo.origin_branch_name
     previous_branch = "-"
 
     check_open_pull_requests(formula, tap_remote_repo, args: args)
diff --git a/Library/Homebrew/utils/github.rb b/Library/Homebrew/utils/github.rb
index eda003b560..e6d3525e5d 100644
--- a/Library/Homebrew/utils/github.rb
+++ b/Library/Homebrew/utils/github.rb
@@ -576,7 +576,7 @@ module GitHub
     old_contents = info[:old_contents]
     additional_files = info[:additional_files] || []
     remote = info[:remote] || "origin"
-    remote_branch = info[:remote_branch] || tap.path.git_origin_branch
+    remote_branch = info[:remote_branch] || tap.git_repo.origin_branch_name
     branch = info[:branch_name]
     commit_message = info[:commit_message]
     previous_branch = info[:previous_branch] || "-"