1 files changed, 1 insertions, 1 deletions
diff --git a/parser.y b/parser.y
index e4a1552e..5b5f7105 100644
--- a/parser.y
+++ b/parser.y
@@ -1346,7 +1346,7 @@ static val define_transform(parser_t *parser, val define_form)
       return define_form;
     }
 
-    if (!proper_listp(params)) {
+    if (!proper_list_p(params)) {
       yyerr("invalid function parameter list");
       return define_form;
     }