diff --git a/tests/modules/system/system_test.cpp b/tests/modules/system/system_test.cpp
index 182512b49..14b9e5179 100644
--- a/tests/modules/system/system_test.cpp
+++ b/tests/modules/system/system_test.cpp
@@ -237,6 +237,13 @@ TEST_F(SystemTest, NetworkInterfaceMethodTest)
     const auto result4 = networkInterface(options4);
 
     ASSERT_TRUE(!result4.empty());
+
+    NetworkInterfaceOptions options5;
+    options5.interfaceSchema = "index";
+
+    const auto result5 = networkInterface(options5);
+
+    ASSERT_TRUE(!result5.empty());
 }
 
 TEST_F(SystemTest, ValidCronExpression)