diff --git a/cmd/pkger/cmds/pack.go b/cmd/pkger/cmds/pack.go
index 3961643..4b478eb 100644
--- a/cmd/pkger/cmds/pack.go
+++ b/cmd/pkger/cmds/pack.go
@@ -147,6 +147,7 @@ func Package(info here.Info, out string, decls parser.Decls) error {
 		name = "main"
 	}
 
+	fmt.Fprintf(f, "// Code generated by pkger; DO NOT EDIT.\n\n", name)
 	fmt.Fprintf(f, "package %s\n\n", name)
 	fmt.Fprintf(f, "import (\n\t\"github.com/markbates/pkger\"\n\t")
 	fmt.Fprintf(f, "\"github.com/markbates/pkger/pkging/mem\"\n)\n\n")