diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 8360e6ac..449d8b5c 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1,6 +1,11 @@
 {
+    "unsupportedAttachment": {
+      "message": "Unsupported attachment type. Click to save.",
+      "description": "Displayed for incoming unsupported attachment"
+    },
     "unsupportedFileType": {
-      "message": "Unsupported file type"
+      "message": "Unsupported file type",
+      "description": "Displayed for outgoing unsupported attachment"
     },
     "fileSizeWarning": {
       "message": "Sorry, the selected file exceeds message size restrictions."
diff --git a/js/views/attachment_view.js b/js/views/attachment_view.js
index 9c9d9689..39ae0a98 100644
--- a/js/views/attachment_view.js
+++ b/js/views/attachment_view.js
@@ -8,7 +8,7 @@
       tagName: 'a',
       initialize: function(dataUrl) {
           this.dataUrl = dataUrl;
-          this.$el.text("Unsupported attachment type. Click to save.");
+          this.$el.text(i18n('unsupportedAttachment'));
       },
       events: {
           'click': 'open'