diff --git a/src/lisp/test.lisp b/src/lisp/test.lisp
index 32152f1..a8ad05e 100644
--- a/src/lisp/test.lisp
+++ b/src/lisp/test.lisp
@@ -6,7 +6,7 @@
     (print (add-two (* 4 3)))
     (print (- 3 6))))
 
-(defun main()
+(defun main ()
   (let1 (a 3)
     (print "a is")
-    (print a)))
\ No newline at end of file
+    (print a)))