diff --git a/apps/dgst.c b/apps/dgst.c
index 75ddec3e5..f4105c1f1 100644
--- a/apps/dgst.c
+++ b/apps/dgst.c
@@ -190,6 +190,8 @@ int MAIN(int argc, char **argv)
 			out_bin = 1;
 		else if (strcmp(*argv,"-d") == 0)
 			debug=1;
+		else if (!strcmp(*argv,"-fips-fingerprint"))
+			hmac_key = "etaonrishdlcupfm";
 		else if (!strcmp(*argv,"-hmac"))
 			{
 			if (--argc < 1)