diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index c50ab97cfe..58cb293265 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -38,6 +38,8 @@ module Homebrew
              description: "Run `brew audit --strict` before opening the PR."
       switch "--no-browse",
              description: "Print the pull request URL instead of opening in a browser."
+      switch "--no-fork",
+             description: "Don't try to fork the repository."
       flag   "--mirror=",
              description: "Use the specified <URL> as a mirror URL."
       flag   "--version=",
@@ -324,7 +326,7 @@ module Homebrew
       changed_files += alias_rename if alias_rename.present?
 
       if args.dry_run?
-        ohai "try to fork repository with GitHub API"
+        ohai "try to fork repository with GitHub API" unless args.no_fork?
         ohai "git fetch --unshallow origin" if shallow
         ohai "git add #{alias_rename.first} #{alias_rename.last}" if alias_rename.present?
         ohai "git checkout --no-track -b #{branch} #{origin_branch}"
@@ -335,27 +337,11 @@ module Homebrew
         ohai "create pull request with GitHub API"
       else
 
-        begin
-          response = GitHub.create_fork(tap_full_name)
-          # GitHub API responds immediately but fork takes a few seconds to be ready.
-          sleep 3
-
-          if system("git", "config", "--get-regexp", "remote\..*\.url", "git@github.com:.*")
-            remote_url = response.fetch("ssh_url")
-          else
-            remote_url = response.fetch("clone_url")
-          end
-          username = response.fetch("owner").fetch("login")
-        rescue GitHub::AuthenticationFailedError => e
-          raise unless e.github_message.match?(/forking is disabled/)
-
-          # If the repository is private, forking might be disabled.
-          # Create branches in the repository itself instead.
+        if args.no_fork?
           remote_url = Utils.popen_read("git remote get-url --push origin").chomp
           username = formula.tap.user
-        rescue *GitHub.api_errors => e
-          formula.path.atomic_write(backup_file) unless args.dry_run?
-          odie "Unable to fork: #{e.message}!"
+        else
+          remote_url, username = forked_repo_info(tap_full_name)
         end
 
         safe_system "git", "fetch", "--unshallow", "origin" if shallow
@@ -394,6 +380,23 @@ module Homebrew
     end
   end
 
+  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)
+    odie "Unable to fork: #{e.message}!"
+  else
+    # GitHub API responds immediately but fork takes a few seconds to be ready.
+    sleep 1 until GitHub.check_fork_exists(tap_full_name)
+    remote_url =  if system("git", "config", "--local", "--get-regexp", "remote\..*\.url", "git@github.com:.*")
+      response.fetch("ssh_url")
+    else
+      response.fetch("clone_url")
+    end
+    username = response.fetch("owner").fetch("login")
+    [remote_url, username]
+  end
+
   def inreplace_pairs(path, replacement_pairs)
     if args.dry_run?
       contents = path.open("r") { |f| Formulary.ensure_utf8_encoding(f).read }
diff --git a/Library/Homebrew/utils/github.rb b/Library/Homebrew/utils/github.rb
index 9a73d7b5d0..2e6695f4f4 100644
--- a/Library/Homebrew/utils/github.rb
+++ b/Library/Homebrew/utils/github.rb
@@ -340,6 +340,15 @@ module GitHub
     open_api(url, data: data, scopes: scopes)
   end
 
+  def check_fork_exists(repo)
+    _, username = api_credentials
+    _, reponame = repo.split("/")
+    json = open_api(url_to("repos", username, reponame))
+    return false if json["message"] == "Not Found"
+
+    true
+  end
+
   def create_pull_request(repo, title, head, base, body)
     url = "#{API_URL}/repos/#{repo}/pulls"
     data = { title: title, head: head, base: base, body: body }
diff --git a/docs/Manpage.md b/docs/Manpage.md
index 208356dd96..f8ce7fd0c6 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -762,6 +762,8 @@ uses.
   Run `brew audit --strict` before opening the PR.
 * `--no-browse`:
   Print the pull request URL instead of opening in a browser.
+* `--no-fork`:
+  Don't try to fork the repository.
 * `--mirror`:
   Use the specified *`URL`* as a mirror URL.
 * `--version`:
diff --git a/manpages/brew.1 b/manpages/brew.1
index 5920a0fcd5..9b7d29e5b4 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -966,6 +966,10 @@ Run \fBbrew audit \-\-strict\fR before opening the PR\.
 Print the pull request URL instead of opening in a browser\.
 .
 .TP
+\fB\-\-no\-fork\fR
+Don\'t try to fork the repository\.
+.
+.TP
 \fB\-\-mirror\fR
 Use the specified \fIURL\fR as a mirror URL\.
 .