diff --git a/build/tasks/build-task.coffee b/build/tasks/build-task.coffee
index a6f74bffd..0fb967019 100644
--- a/build/tasks/build-task.coffee
+++ b/build/tasks/build-task.coffee
@@ -125,6 +125,7 @@ module.exports = (grunt) ->
     ignoredPaths.push "#{_.escapeRegExp(path.join('runas', 'src') + path.sep)}.*\\.(cc|h)*"
     ignoredPaths.push "#{_.escapeRegExp(path.join('scrollbar-style', 'src') + path.sep)}.*\\.(cc|h)*"
     ignoredPaths.push "#{_.escapeRegExp(path.join('spellchecker', 'src') + path.sep)}.*\\.(cc|h)*"
+    ignoredPaths.push "#{_.escapeRegExp(path.join('keyboard-layout', 'src') + path.sep)}.*\\.(cc|h|mm)*"
 
     # Ignore build files
     ignoredPaths.push "#{_.escapeRegExp(path.sep)}binding\\.gyp$"