diff --git a/portallocator/portallocator.go b/portallocator/portallocator.go
index 9798d23eb1..191b478ccd 100644
--- a/portallocator/portallocator.go
+++ b/portallocator/portallocator.go
@@ -1,3 +1,5 @@
+// +build !windows
+
 package portallocator
 
 import (
diff --git a/portallocator/portallocator_windows.go b/portallocator/portallocator_windows.go
new file mode 100644
index 0000000000..f07ae884f8
--- /dev/null
+++ b/portallocator/portallocator_windows.go
@@ -0,0 +1 @@
+package portallocator