diff --git a/pkgs/scripts/uffd-sync-mattermost-groups.fish b/pkgs/scripts/uffd-sync-mattermost-groups.fish
index b9439aa..206feef 100644
--- a/pkgs/scripts/uffd-sync-mattermost-groups.fish
+++ b/pkgs/scripts/uffd-sync-mattermost-groups.fish
@@ -5,20 +5,20 @@ source /run/secrets/auamost/secrets.fish
 for i in (seq 1 (count $groups))
     set team $teams[$i]
     set group $groups[$i]
-    set users (curl -u $uffd_token --basic https://login.infra4future.de/api/v1/getusers -d group="$group")
+    set users (curl -s -u $uffd_token --basic https://login.infra4future.de/api/v1/getusers -d group="$group")
     set usernames (echo "$users" | jq -c "[.[] | .loginname]")
     for user in (echo "$users" | jq -c ".[]")
       set id (echo "$user" | jq .id)
       set username (echo "$user" | jq .loginname)
       set email (echo "$user" | jq .email)
-      curl -H $mattermost_token \
+      curl -s -H $mattermost_token \
            -H "Content-Type: application/json" https://mattermost.infra4future.de/api/v4/users \
            -d '{"email": '"$email"', "username": '"$username"', "auth_service": "gitlab", "auth_data": "'"$id"'"}'
     end
-    set userids (curl -H $mattermost_token \
+    set userids (curl -s -H $mattermost_token \
         -H "Content-Type: application/json" https://mattermost.infra4future.de/api/v4/users/usernames \
         -d "$usernames" | jq '[.[] | {user_id: .id, team_id: "'$team'"} ]')
-    curl -H $mattermost_token \
+    curl -s -H $mattermost_token \
         -H "Content-Type: application/json" https://mattermost.infra4future.de/api/v4/teams/"$team"/members/batch \
         -d "$userids"
 
@@ -26,11 +26,11 @@ for i in (seq 1 (count $groups))
       continue
     end
 
-    set current_members (curl -H $mattermost_token \
+    set current_members (curl -s -H $mattermost_token \
         -H "Content-Type: application/json" https://mattermost.infra4future.de/api/v4/teams/"$team"/members | jq '[.[] | .user_id]')
 
     # membership relations don't contain e.g. usernames, so fetch those, too
-    set current_users (curl -H $mattermost_token \
+    set current_users (curl -s -H $mattermost_token \
         -H "Content-Type: application/json" https://mattermost.infra4future.de/api/v4/users/ids \
         -d "$current_members" | jq -c '.[]')
 
@@ -40,7 +40,7 @@ for i in (seq 1 (count $groups))
         if not contains -i $id $userids > /dev/null then
           set id_unquoted (echo $member | jq -r .id)
           echo removing $id_unquoted (echo $member | jq '.email') from $team \($group\)
-          curl -X DELETE -H $mattermost_token \
+          curl -s -X DELETE -H $mattermost_token \
             -H "Content-Type: application/json" https://mattermost.infra4future.de/api/v4/teams/"$team"/members/"$id_unquoted"
         end
     end