diff --git a/frappe/handler.py b/frappe/handler.py
index 9699ff6d44..e5a7f742ae 100755
--- a/frappe/handler.py
+++ b/frappe/handler.py
@@ -187,7 +187,7 @@ def upload_file():
 		import mimetypes
 		filetype = mimetypes.guess_type(filename)[0]
 		if filetype not in ALLOWED_MIMETYPES:
-			frappe.throw("You can only upload JPG, PNG, PDF, or Microsoft documents.")
+			frappe.throw(_("You can only upload JPG, PNG, PDF, or Microsoft documents."))
 
 	if method:
 		method = frappe.get_attr(method)