diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index 59596349..fd2345cd 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -39,7 +39,7 @@ If you update this file, be sure also to update google_chrome_strings.grd. -->
       <output filename="chromium_strings_zh-HK.pak" type="data_package" lang="zh-HK" />
       <output filename="chromium_strings_zu.pak" type="data_package" lang="zu" />
     </if>
-    <if expr="chromeos or lacros">
+    <if expr="chromeos_ash or chromeos_lacros">
       <output filename="chromium_strings_is.pak" type="data_package" lang="is" />
     </if>
     <output filename="chromium_strings_am.pak" type="data_package" lang="am" />