diff --git a/doc/examples/basicauthentication.c b/doc/examples/basicauthentication.c
index 389d8bb7..c96a8da9 100644
--- a/doc/examples/basicauthentication.c
+++ b/doc/examples/basicauthentication.c
@@ -72,15 +72,14 @@ is_authenticated (struct MHD_Connection *connection,
   strcat (expected, password);
 
   expected_b64 = string_to_base64 (expected);
+  free (expected);
   if (NULL == expected_b64)
-    return 0;
+       return 0;
 
-  strcpy (expected, strbase);
   authenticated =
     (strcmp (headervalue + strlen (strbase), expected_b64) == 0);
 
   free (expected_b64);
-
   return authenticated;
 }