diff --git a/Docs/ServerConfig/cache/Caddyfile b/Docs/ServerConfig/cache/Caddyfile
index 1b90544e4..bc562f807 100644
--- a/Docs/ServerConfig/cache/Caddyfile
+++ b/Docs/ServerConfig/cache/Caddyfile
@@ -1,3 +1,4 @@
+// actually unused, cache.mapcomplete.org uses nginx
 cache.mapcomplete.org {
     reverse_proxy /summary/* 127.0.0.1:2345
     reverse_proxy path_regexp ^/\d+/\d+/\d+\.pmtiles$ http://localhost:2346
diff --git a/package.json b/package.json
index b8de0fec8..f1714d456 100644
--- a/package.json
+++ b/package.json
@@ -151,7 +151,7 @@
     "server:ldjson": "vite-node scripts/serverLdScrape.ts",
     "server:studio": "vite-node scripts/studioServer -- /root/git/MapComplete/assets",
     "server:errorreport": "vite-node scripts/serverErrorReport.ts -- /root/error_reports/",
-    "server:pmtiles": "vite-node scripts/serverPmTileExtracts.ts",
+    "server:pmtiles": "vite-node scripts/serverPmTileExtracts.ts -- /data/planet-latest.pmtiles /data/",
     "generate:buildDbScript": "vite-node scripts/osm2pgsql/generateBuildDbScript.ts",
     "generate:summaryCache": "vite-node scripts/generateSummaryTileCache.ts",
     "create:database": "vite-node scripts/osm2pgsql/createNewDatabase.ts",
diff --git a/scripts/serverPmTileExtracts.ts b/scripts/serverPmTileExtracts.ts
index 6a5300924..cf7349069 100644
--- a/scripts/serverPmTileExtracts.ts
+++ b/scripts/serverPmTileExtracts.ts
@@ -16,7 +16,7 @@ class ServerPmTileExtracts extends Script {
     async main(args: string[]): Promise<void> {
         if(args.length < 2){
             this.printHelp()
-            return
+            throw ("!!! Please, specify a source- and cachedir !!!")
         }
         const sourcefile = args[0]
         const targetDir = args[1]