diff --git a/lib/discourse_js_processor.rb b/lib/discourse_js_processor.rb
index ebe2559982b..7417207ff5c 100644
--- a/lib/discourse_js_processor.rb
+++ b/lib/discourse_js_processor.rb
@@ -88,7 +88,7 @@ class DiscourseJsProcessor
       }
 
 JS
-      source = File.read("#{Rails.root}/lib/javascripts/widget-hbs-compiler.js.es6")
+      source = File.read("#{Rails.root}/lib/javascripts/widget-hbs-compiler.js")
       js_source = ::JSON.generate(source, quirks_mode: true)
       js = ctx.eval("Babel.transform(#{js_source}, { ast: false, plugins: ['check-es2015-constants', 'transform-es2015-arrow-functions', 'transform-es2015-block-scoped-functions', 'transform-es2015-block-scoping', 'transform-es2015-classes', 'transform-es2015-computed-properties', 'transform-es2015-destructuring', 'transform-es2015-duplicate-keys', 'transform-es2015-for-of', 'transform-es2015-function-name', 'transform-es2015-literals', 'transform-es2015-object-super', 'transform-es2015-parameters', 'transform-es2015-shorthand-properties', 'transform-es2015-spread', 'transform-es2015-sticky-regex', 'transform-es2015-template-literals', 'transform-es2015-typeof-symbol', 'transform-es2015-unicode-regex'] }).code")
       ctx.eval(js)
diff --git a/lib/javascripts/widget-hbs-compiler.js.es6 b/lib/javascripts/widget-hbs-compiler.js
similarity index 100%
rename from lib/javascripts/widget-hbs-compiler.js.es6
rename to lib/javascripts/widget-hbs-compiler.js
diff --git a/script/compile_hbs.rb b/script/compile_hbs.rb
index cfec4386a2c..ee072ea35d6 100644
--- a/script/compile_hbs.rb
+++ b/script/compile_hbs.rb
@@ -14,7 +14,7 @@ console = {
 }
 
 JS
-source = File.read("#{Rails.root}/lib/javascripts/widget-hbs-compiler.js.es6")
+source = File.read("#{Rails.root}/lib/javascripts/widget-hbs-compiler.js")
 js_source = ::JSON.generate(source, quirks_mode: true)
 js = ctx.eval("Babel.transform(#{js_source}, { ast: false, plugins: ['check-es2015-constants', 'transform-es2015-arrow-functions', 'transform-es2015-block-scoped-functions', 'transform-es2015-block-scoping', 'transform-es2015-classes', 'transform-es2015-computed-properties', 'transform-es2015-destructuring', 'transform-es2015-duplicate-keys', 'transform-es2015-for-of', 'transform-es2015-function-name', 'transform-es2015-literals', 'transform-es2015-object-super', 'transform-es2015-parameters', 'transform-es2015-shorthand-properties', 'transform-es2015-spread', 'transform-es2015-sticky-regex', 'transform-es2015-template-literals', 'transform-es2015-typeof-symbol', 'transform-es2015-unicode-regex'] }).code")
 ctx.eval(js)
diff --git a/script/test_hbs_compiler.rb b/script/test_hbs_compiler.rb
index badbd227e4d..f3c5be35c1b 100644
--- a/script/test_hbs_compiler.rb
+++ b/script/test_hbs_compiler.rb
@@ -22,7 +22,7 @@ console = {
 }
 
 JS
-source = File.read("#{Rails.root}/lib/javascripts/widget-hbs-compiler.js.es6")
+source = File.read("#{Rails.root}/lib/javascripts/widget-hbs-compiler.js")
 ctx.eval(source)
 
 js_source = ::JSON.generate(template, quirks_mode: true)