diff --git a/lib/theme_javascript_compiler.rb b/lib/theme_javascript_compiler.rb
index 1668168145b..25975dbb60f 100644
--- a/lib/theme_javascript_compiler.rb
+++ b/lib/theme_javascript_compiler.rb
@@ -232,7 +232,7 @@ class ThemeJavascriptCompiler
     transpiler = DiscourseJsProcessor::Transpiler.new
     @output_tree << ["#{original_filename}.js", <<~JS]
       if ('define' in window) {
-      #{transpiler.perform(script, "", name).strip}
+      #{transpiler.perform(script, "", name, theme_id: @theme_id).strip}
       }
     JS
   rescue MiniRacer::RuntimeError, DiscourseJsProcessor::TranspileError => ex
diff --git a/spec/lib/theme_javascript_compiler_spec.rb b/spec/lib/theme_javascript_compiler_spec.rb
index 116e4ee3e7f..8d94ed72d5b 100644
--- a/spec/lib/theme_javascript_compiler_spec.rb
+++ b/spec/lib/theme_javascript_compiler_spec.rb
@@ -110,6 +110,15 @@ RSpec.describe ThemeJavascriptCompiler do
       expect(compiler.raw_content).to include("setComponentTemplate")
     end
 
+    it "applies theme AST transforms to colocated components" do
+      compiler = ThemeJavascriptCompiler.new(12345678910, 'my theme name')
+      compiler.append_tree(
+        { "discourse/components/mycomponent.hbs" => '{{theme-i18n "my_translation_key"}}' }
+      )
+      template_compiled_line = compiler.raw_content.lines.find { |l| l.include?('"block":') }
+      expect(template_compiled_line).to include("12345678910")
+    end
+
     it "prints error when default export missing" do
       compiler.append_tree(
         {