diff --git a/test/conf/hmac_md5_access.conf b/test/conf/hmac_md5_access.conf
index d453ddaf..bad0bb01 100644
--- a/test/conf/hmac_md5_access.conf
+++ b/test/conf/hmac_md5_access.conf
@@ -1,4 +1,5 @@
 SOURCE: ANY;
 KEY_BASE64:         wzNP62oPPgEc+kXDPQLHPOayQBuNbYUTPP+QrErNDmg=
 HMAC_KEY_BASE64:    Yh+xizBnl6FotC5ec7FanVGClRMlsOAPh2u6eovnerfBVKwaVKzjGoblFMHMc593TNyi0dWn4opLoTIV9q/ttg==
+HMAC_DIGEST_TYPE    md5;
 FW_ACCESS_TIMEOUT:  3;