diff --git a/main.go b/main.go
index 0de5d81..f86d3eb 100644
--- a/main.go
+++ b/main.go
@@ -29,6 +29,7 @@ func RandString(n int) string {
 
 var dataDirFlag = flag.String("dataDir", "/tmp", "directory for files")
 var domainFlag = flag.String("domain", "http://localhost:8085", "base domain")
+var bindFlag = flag.String("bind", ":8085", "host and port to bind")
 
 func main() {
 	h := &Handler{
@@ -36,7 +37,7 @@ func main() {
 		Domain:  *domainFlag,
 	}
 	log.Println("listening")
-	panic(http.ListenAndServe(":8085", h))
+	panic(http.ListenAndServe(*bindFlag, h))
 }
 
 type Handler struct {