1 files changed, 1 insertions, 0 deletions
diff --git a/file.c b/file.c
index b14f42e1f8..77facacfcf 100644
--- a/file.c
+++ b/file.c
@@ -2618,6 +2618,7 @@ rb_readlink(VALUE path)
 	) {
 	rb_str_modify_expand(v, size);
 	size *= 2;
+	rb_str_set_len(v, size);
     }
     if (rv < 0) {
 	rb_str_resize(v, 0);