diff --git a/login_manager/chrome_setup.cc b/login_manager/chrome_setup.cc
index 9332876..d5a4101 100644
--- a/login_manager/chrome_setup.cc
+++ b/login_manager/chrome_setup.cc
@@ -430,6 +430,11 @@
 
   if (builder->UseFlagIsSet("enable_heuristic_palm_detection_filter"))
     builder->AddFeatureEnableOverride("EnableHeuristicPalmDetectionFilter");
+
+  if (builder->UseFlagIsSet("ondevice_handwriting"))
+    builder->AddArg("--ondevice_handwriting=use_rootfs");
+  else if (builder->UseFlagIsSet("ondevice_handwriting_dlc"))
+    builder->AddArg("--ondevice_handwriting=use_dlc");
 }
 
 // Adds UI-related flags to the command line.