diff --git a/install_pure-ftpd.sh b/install_pure-ftpd.sh
index ec5b10c..998bb2a 100755
--- a/install_pure-ftpd.sh
+++ b/install_pure-ftpd.sh
@@ -286,7 +286,7 @@ fi
 
 
 echononl "   DH parameters file 'pure-ftpd-dhparams.pem'"
-openssl -dsaparam dhparam -out /etc/ssl/private/pure-ftpd-dhparams.pem 2048 > $tmp_err_msg 2>&1
+openssl dhparam -dsaparam -out /etc/ssl/private/pure-ftpd-dhparams.pem 2048 > $tmp_err_msg 2>&1
 if [[ $? -eq 0 ]] ; then
    echo_ok
 else