diff --git a/cmd/ck-server/ck-server.go b/cmd/ck-server/ck-server.go
index 5b25365..682a197 100644
--- a/cmd/ck-server/ck-server.go
+++ b/cmd/ck-server/ck-server.go
@@ -229,6 +229,10 @@ func main() {
 		log.Fatalf("Configuration file error: %v", err)
 	}
 
+	if sta.AdminUID == nil {
+		log.Fatalln("AdminUID cannot be empty!")
+	}
+
 	go sta.UsedRandomCleaner()
 
 	listen := func(addr, port string) {