diff --git a/programs/test/cpp_dummy_build.cpp b/programs/test/cpp_dummy_build.cpp
index c27ae05..81ca32c 100644
--- a/programs/test/cpp_dummy_build.cpp
+++ b/programs/test/cpp_dummy_build.cpp
@@ -44,6 +44,7 @@
 #include "mbedtls/cipher.h"
 #include "mbedtls/cipher_internal.h"
 #include "mbedtls/cmac.h"
+#include "mbedtls/compat-1.3.h"
 #include "mbedtls/ctr_drbg.h"
 #include "mbedtls/des.h"
 #include "mbedtls/dhm.h"