diff --git a/image_properties_chromeos.cc b/image_properties_chromeos.cc
index 501e662..024eebf 100644
--- a/image_properties_chromeos.cc
+++ b/image_properties_chromeos.cc
@@ -115,6 +115,8 @@
   result.omaha_url =
       GetStringWithDefault(lsb_release, kLsbReleaseAutoUpdateServerKey,
                            constants::kOmahaDefaultProductionURL);
+  // Build fingerprint not used in Chrome OS.
+  result.buiild_fingerprint = "";
 
   return result;
 }