diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 2de6f6edec77..7faf77558291 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -45,6 +45,9 @@
     "incomingKeyConflict": {
       "message": "Received message with unknown identity key. Click to process and display."
     },
+    "incomingError": {
+      "message": "Error handling incoming message."
+    },
     "unsupportedAttachment": {
       "message": "Unsupported attachment type. Click to save.",
       "description": "Displayed for incoming unsupported attachment"
diff --git a/js/models/messages.js b/js/models/messages.js
index 3056b103ed6b..57451d60f604 100644
--- a/js/models/messages.js
+++ b/js/models/messages.js
@@ -62,7 +62,7 @@
                 return i18n('incomingKeyConflict');
             }
             if (this.isIncoming() && this.hasErrors()) {
-                return 'Error handling incoming message.';
+                return i18n('incomingError');
             }
 
             return this.get('body');