diff --git a/mksyscall_windows.go b/mksyscall_windows.go
index 82393ca367..6ab0592369 100644
--- a/mksyscall_windows.go
+++ b/mksyscall_windows.go
@@ -843,7 +843,9 @@ func main() {
 // TODO: use println instead to print in the following template
 const srcTemplate = `
 
-{{define "main"}}// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT
+{{define "main"}}// Code generated by mksyscall_windows.go; DO NOT EDIT.
+
+// +build windows
 
 package {{packagename}}
 
diff --git a/zhcsshim.go b/zhcsshim.go
index 5d1a851ae8..79bcbae7a6 100644
--- a/zhcsshim.go
+++ b/zhcsshim.go
@@ -1,4 +1,6 @@
-// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT
+// Code generated by mksyscall_windows.go; DO NOT EDIT.
+
+// +build windows
 
 package hcsshim