diff --git a/Library/Homebrew/dev-cmd/create.rb b/Library/Homebrew/dev-cmd/create.rb
index f02b61769aa7e..26ab371728d1f 100644
--- a/Library/Homebrew/dev-cmd/create.rb
+++ b/Library/Homebrew/dev-cmd/create.rb
@@ -200,7 +200,7 @@ def create_formula(args:)
       end
     end
 
-    fc.generate!
+    path = fc.write_formula!
 
     formula = Homebrew.with_no_api_env do
       Formula[fc.name]
@@ -208,7 +208,7 @@ def create_formula(args:)
     PyPI.update_python_resources! formula, ignore_non_pypi_packages: true if args.python?
 
     puts "Please run `brew audit --new #{fc.name}` before submitting, thanks."
-    fc.path
+    path
   end
 
   def __gets
diff --git a/Library/Homebrew/formula_creator.rb b/Library/Homebrew/formula_creator.rb
index 05679630e2c00..cdbcf8bf27bc0 100644
--- a/Library/Homebrew/formula_creator.rb
+++ b/Library/Homebrew/formula_creator.rb
@@ -10,7 +10,7 @@ module Homebrew
   # @api private
   class FormulaCreator
     attr_reader :args, :url, :sha256, :desc, :homepage
-    attr_accessor :name, :version, :tap, :path, :mode, :license
+    attr_accessor :name, :version, :tap, :mode, :license
 
     def initialize(args)
       @args = args
@@ -34,7 +34,6 @@ def url=(url)
           @name = path.basename.to_s[/(.*?)[-_.]?#{Regexp.escape(path.version.to_s)}/, 1]
         end
       end
-      update_path
       @version = if @version
         Version.new(@version)
       else
@@ -42,12 +41,6 @@ def url=(url)
       end
     end
 
-    def update_path
-      return if @name.nil? || @tap.nil?
-
-      @path = @tap.new_formula_path(@name)
-    end
-
     def fetch?
       !args.no_fetch?
     end
@@ -56,7 +49,11 @@ def head?
       @head || args.HEAD?
     end
 
-    def generate!
+    def write_formula!
+      raise ArgumentError, "name is blank!" if @name.blank?
+      raise ArgumentError, "tap is blank!" if @tap.blank?
+
+      path = @tap.new_formula_path(@name)
       raise "#{path} already exists" if path.exist?
 
       if version.nil? || version.null?
@@ -86,6 +83,7 @@ def generate!
 
       path.dirname.mkpath
       path.write ERB.new(template, trim_mode: ">").result(binding)
+      path
     end
 
     sig { returns(String) }