diff --git a/scripts/install b/scripts/install
index 8271121..e8b499c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -207,7 +207,7 @@ ynh_script_progression --message="Creating a dh file..." --weight=3
 # Make dh cert for synapse if it doesn't exist
 if [ ! -e /etc/ssl/private/dh2048.pem ]
 then
-    ynh_exec_warn_less openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048 -dsaparam
+    ynh_exec_warn_less openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048
     chown root:ssl-cert /etc/ssl/private/dh2048.pem
     chmod 640 /etc/ssl/private/dh2048.pem
 fi
diff --git a/scripts/restore b/scripts/restore
index 8c9ddc7..4bf8634 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -153,7 +153,7 @@ ynh_script_progression --message="Creating a dh file..." --weight=40
 # Make dh cert for synapse if it doesn't exist
 if [ ! -e /etc/ssl/private/dh2048.pem ]
 then
-    ynh_exec_warn_less openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048 -dsaparam
+    ynh_exec_warn_less openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048
     chown root:ssl-cert /etc/ssl/private/dh2048.pem
     chmod 640 /etc/ssl/private/dh2048.pem
 fi
diff --git a/scripts/upgrade b/scripts/upgrade
index 0dee176..e21e5aa 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -504,7 +504,7 @@ if [ ! -e /etc/ssl/private/dh2048.pem ]
 then
     ynh_script_progression --message="Creating a dh file..." --weight=1
 
-    openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048 -dsaparam 2> /dev/null
+    ynh_exec_warn_less openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048
     chown root:ssl-cert /etc/ssl/private/dh2048.pem
     chmod 640 /etc/ssl/private/dh2048.pem
 fi