diff --git a/cmd/openttd_multitool/openttd_multitool.go b/cmd/openttd_multitool/openttd_multitool.go
index 040aa45..9f12ac1 100644
--- a/cmd/openttd_multitool/openttd_multitool.go
+++ b/cmd/openttd_multitool/openttd_multitool.go
@@ -4,7 +4,7 @@ import (
   "github.com/tardisx/openttd-admin/pkg"
   "flag"
   "strings"
-  // "fmt"
+  "os"
 )
 
 
@@ -66,6 +66,11 @@ func main() {
   flag.IntVar(&port, "port", 3977, "The port number of the admin interface (default is 3977)")
   flag.Parse()
 
+  if password == "" {
+    println("ERROR: You must supply a password")
+    os.Exit(1)
+  }
+
   server := admin.OpenTTDServer{}
 
   for _, value := range daily {