diff --git a/src/platform/open_win.go b/src/platform/open_win.go
index a89c533..ecacf75 100644
--- a/src/platform/open_win.go
+++ b/src/platform/open_win.go
@@ -1,5 +1,7 @@
 // +build windows
 
+package platform
+
 import (
 	"os"
 	"os/exec"