1diff --git a/lib/discourse_js_processor.rb b/lib/discourse_js_processor.rb
2index f1642386c5..5a672818da 100644
3--- a/lib/discourse_js_processor.rb
4+++ b/lib/discourse_js_processor.rb
5@@ -54,7 +54,7 @@ class DiscourseJsProcessor
6 end
7
8 class Transpiler
9- TRANSPILER_PATH = "tmp/theme-transpiler.js"
10+ TRANSPILER_PATH = "app/assets/javascripts/theme-transpiler.js"
11
12 @mutex = Mutex.new
13 @ctx_init = Mutex.new
14@@ -75,7 +75,9 @@ class DiscourseJsProcessor
15 end
16
17 def self.build_production_theme_transpiler
18- File.write(TRANSPILER_PATH, build_theme_transpiler)
19+ if (!Rails.env.production? or !File.file?(TRANSPILER_PATH))
20+ File.write(TRANSPILER_PATH, build_theme_transpiler)
21+ end
22 TRANSPILER_PATH
23 end