diff --git a/src/network_manager.cpp b/src/network_manager.cpp
index fe59f0b..8b4c5c2 100644
--- a/src/network_manager.cpp
+++ b/src/network_manager.cpp
@@ -188,6 +188,11 @@
 
 ObjectPath Manager::vlan(IntfName interfaceName, uint32_t id)
 {
+    if (!hasInterface(interfaceName))
+    {
+        elog<ResourceNotFound>();
+    }
+
     return interfaces[interfaceName]->createVLAN(id);
 }