diff --git a/dom/inputmethod/moz.build b/dom/inputmethod/moz.build
index e6d994565..d0e817ee2 100644
--- a/dom/inputmethod/moz.build
+++ b/dom/inputmethod/moz.build
@@ -6,10 +6,11 @@
 
 EXTRA_COMPONENTS += [
     'InputMethod.manifest',
-    'Keyboard.jsm',
     'MozKeyboard.js',
 ]
 
+EXTRA_JS_MODULES += ['Keyboard.jsm']
+
 JAR_MANIFESTS += ['jar.mn']
 
 MOCHITEST_CHROME_MANIFESTS += ['mochitest/chrome.ini']