diff --git a/src/Wallet.cpp b/src/Wallet.cpp
index 9f12140f0f..12dda320b6 100644
--- a/src/Wallet.cpp
+++ b/src/Wallet.cpp
@@ -76,7 +76,21 @@ bool Wallet::nodeIdentityCreate() {
 
 	// Make new key.
 
+#ifdef CREATE_NEW_DH_PARAMS
 	std::string		strDh512		= DH_der_gen(512);
+#else
+	static char dh512Param[] = {
+		0x30, 0x46, 0x02, 0x41, 0x00, 0x98, 0x15, 0xd2, 0xd0, 0x08, 0x32, 0xda,
+		0xaa, 0xac, 0xc4, 0x71, 0xa3, 0x1b, 0x11, 0xf0, 0x6c, 0x62, 0xb2, 0x35,
+		0x8a, 0x10, 0x92, 0xc6, 0x0a, 0xa3, 0x84, 0x7e, 0xaf, 0x17, 0x29, 0x0b,
+		0x70, 0xef, 0x07, 0x4f, 0xfc, 0x9d, 0x6d, 0x87, 0x99, 0x19, 0x09, 0x5b,
+		0x6e, 0xdb, 0x57, 0x72, 0x4a, 0x7e, 0xcd, 0xaf, 0xbd, 0x3a, 0x97, 0x55,
+		0x51, 0x77, 0x5a, 0x34, 0x7c, 0xe8, 0xc5, 0x71, 0x63, 0x02, 0x01, 0x02
+	};
+	std::string		strDh512(dh512Param, sizeof(dh512Param));
+#endif
+
+
 #if 1
 	std::string		strDh1024		= strDh512;				// For testing and most cases 512 is fine.
 #else