diff --git a/core/core-keybinds.el b/core/core-keybinds.el
index 735bcdb53..4fd869613 100644
--- a/core/core-keybinds.el
+++ b/core/core-keybinds.el
@@ -230,6 +230,7 @@ For example, :nvi will map to (list 'normal 'visual 'insert). See
 (put :keymap       'lisp-indent-function 'defun)
 (put :mode         'lisp-indent-function 'defun)
 (put :prefix       'lisp-indent-function 'defun)
+(put :prefix-map   'lisp-indent-function 'defun)
 (put :unless       'lisp-indent-function 'defun)
 (put :when         'lisp-indent-function 'defun)