diff --git a/mage.go b/mage.go
index 85be291..e350fa5 100644
--- a/mage.go
+++ b/mage.go
@@ -94,7 +94,7 @@ func buildBins(goos, goarch string) {
 
 	d := filepath.Join(wd, "./bin")
 
-	os.Mkdir(filepath.Join(d, goos, goarch), 0777)
+	os.MkdirAll(filepath.Join(d, goos, goarch), 0777)
 
 	for _, pkg := range []string{"route-httpagent", "route-cli", "routed", "terraform-provider-route"} {
 		env := []string{"GOOS=" + goos, "GOARCH=" + goarch}