diff --git a/src/jwe.c b/src/jwe.c
index 822d408..d6f3149 100644
--- a/src/jwe.c
+++ b/src/jwe.c
@@ -5,6 +5,8 @@
  * Copyright (c) 2014-2016 Cisco Systems, Inc.  All Rights Reserved.
  */
 
+#define OPENSSL_API_COMPAT 0x10101000L
+
 #include <cjose/base64.h>
 #include <cjose/header.h>
 #include <cjose/jwe.h>
diff --git a/src/jwk.c b/src/jwk.c
index 860f0e7..87408e9 100644
--- a/src/jwk.c
+++ b/src/jwk.c
@@ -5,6 +5,8 @@
  * Copyright (c) 2014-2016 Cisco Systems, Inc.  All Rights Reserved.
  */
 
+#define OPENSSL_API_COMPAT 0x10101000L
+
 #include "include/jwk_int.h"
 #include "include/util_int.h"
 
diff --git a/src/jws.c b/src/jws.c
index 4e03554..9d682a0 100644
--- a/src/jws.c
+++ b/src/jws.c
@@ -5,6 +5,8 @@
  * Copyright (c) 2014-2016 Cisco Systems, Inc.  All Rights Reserved.
  */
 
+#define OPENSSL_API_COMPAT 0x10101000L
+
 #include <cjose/base64.h>
 #include <cjose/header.h>
 #include <cjose/jws.h>