diff --git a/lib/xstrdup.c b/lib/xstrdup.c
index 1182c592a..58f18beb6 100644
--- a/lib/xstrdup.c
+++ b/lib/xstrdup.c
@@ -29,5 +29,5 @@
 char *
 xstrdup (const char *string)
 {
-  return strcpy (xmalloc (strlen (string) + 1), string);
+  return xclone (string, strlen (string) + 1);
 }