diff --git a/network/oui_test.go b/network/oui_test.go
index 06777c76..e54e6720 100644
--- a/network/oui_test.go
+++ b/network/oui_test.go
@@ -1,3 +1,9 @@
 package network
 
 import "testing"
+
+func TestOuiVar(t *testing.T) {
+	if len(oui) <= 0 {
+		t.Error("unable to find any oui infromation")
+	}
+}