diff --git a/image_properties_chromeos.cc b/image_properties_chromeos.cc
index 39ddeb3..87c32f0 100644
--- a/image_properties_chromeos.cc
+++ b/image_properties_chromeos.cc
@@ -118,6 +118,7 @@
                            constants::kOmahaDefaultProductionURL);
   // Build fingerprint not used in Chrome OS.
   result.build_fingerprint = "";
+  result.allow_arbitrary_channels = false;
 
   return result;
 }