diff --git a/elisp/org-mu4e-compose.el b/elisp/org-mu4e-compose.el
index 56b4249..1725dec 100644
--- a/elisp/org-mu4e-compose.el
+++ b/elisp/org-mu4e-compose.el
@@ -282,6 +282,7 @@ passed to it."
 
   "M-n" #'message-display-abbrev
 
+  "C-c C-a" #'mail-add-attachment
   "C-c M-t" #'org-mu4e-toggle-htmlize-mssage
   "C-c M-p C-p" #'org-mu4e-preview-html
   "C-c M-p C-w" #'org-mu4e-render-preview