diff --git a/hy/core/bootstrap.py b/hy/core/bootstrap.py
index fbf9d31..9d46289 100644
--- a/hy/core/bootstrap.py
+++ b/hy/core/bootstrap.py
@@ -27,6 +27,7 @@ from hy.models.list import HyList
 
 
 @macro("defn")
+@macro("defun")
 def defn_macro(tree):
     return HyExpression([HySymbol("def"),
                          tree[1], HyExpression([HySymbol("fn")] + tree[2:])])