diff --git a/src/ui/chromeos/ui_chromeos_strings.grd b/src/ui/chromeos/ui_chromeos_strings.grd
index 682bd0f2..7ff9ef05 100644
--- a/src/ui/chromeos/ui_chromeos_strings.grd
+++ b/src/ui/chromeos/ui_chromeos_strings.grd
@@ -1390,6 +1390,9 @@
       <message name="IDS_CHROMEOS_NETWORK_ERROR_WRONG_STATE" desc="Network error details in notifications: NOT_REGISTERED. Error when a connect attempt fails because the modem is in a busy state.">
         Device is busy
       </message>
+      <message name="IDS_CHROMEOS_NETWORK_ERROR_WEP_NOT_SUPPORTED" desc="Network error details in notifications: WEP_NOT_SUPPORTED. Error when a connect attempt fails because WEP networks are not supported.">
+        WEP networks are not supported
+      </message>
       <message name="IDS_NETWORK_UNRECOGNIZED_ERROR" desc="Unrecognized Network error text">
         Unrecognized error: <ph name="desc">$1<ex>ShillErrorString</ex></ph>
       </message>