diff --git a/main/config.c b/main/config.c
index f2b738c692..b1aa9e56fe 100644
--- a/main/config.c
+++ b/main/config.c
@@ -222,7 +222,7 @@ void ast_variables_destroy(struct ast_variable *v)
 		v = v->next;
 		ast_destroy_comment(&vn->precomments);
 		ast_destroy_comment(&vn->sameline);
-		free(vn);
+		ast_free(vn);
 	}
 }