diff --git a/tools/cert_create/include/key.h b/tools/cert_create/include/key.h
index dfb3150..165ffa1 100644
--- a/tools/cert_create/include/key.h
+++ b/tools/cert_create/include/key.h
@@ -47,7 +47,10 @@
 /* Supported key algorithms */
 enum {
 	KEY_ALG_RSA,
-	KEY_ALG_ECDSA
+#ifndef OPENSSL_NO_EC
+	KEY_ALG_ECDSA,
+#endif /* OPENSSL_NO_EC */
+	KEY_ALG_MAX_NUM
 };
 
 /*