diff --git a/dnssec-reverb.conf-bind b/dnssec-reverb.conf-bind
index e2f148c..9b67b6b 100644
--- a/dnssec-reverb.conf-bind
+++ b/dnssec-reverb.conf-bind
@@ -13,6 +13,6 @@ KSK_PARAM="-n zone -a ECDSAP256SHA256 -f ksk"
 ZSK_PARAM="-n zone -a ECDSAP256SHA256 "
 SIGN_PARAM="-N increment"
 DS_HASH="2" # 1=SHA1 2=SHA256
-DS_PARAM="-$DS_PARAM"
+DS_PARAM="-$DS_HASH"
 
 #EXPIRE_DAYS="36"