diff --git a/validat1.cpp b/validat1.cpp
index 65c6e651..b26b4252 100644
--- a/validat1.cpp
+++ b/validat1.cpp
@@ -25,6 +25,7 @@
 #include "seal.h"
 #include "rc6.h"
 #include "mars.h"
+#include "aes.h"
 #include "rijndael.h"
 #include "twofish.h"
 #include "serpent.h"