diff --git a/source3/libsmb/libsmb_xattr.c b/source3/libsmb/libsmb_xattr.c
index aed3b486a3d..e0e328a9a69 100644
--- a/source3/libsmb/libsmb_xattr.c
+++ b/source3/libsmb/libsmb_xattr.c
@@ -764,7 +764,7 @@ cacl_get(SMBCCTX *context,
         }
 
         /* Copy name so we can strip off exclusions (if any are specified) */
-        strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
+        fstrcpy(name_sandbox, attr_name);
 
         /* Ensure name is null terminated */
         name_sandbox[sizeof(name_sandbox) - 1] = '\0';