diff --git a/test/monitor-iwd b/test/monitor-iwd
index 707b0c39..df043bc3 100755
--- a/test/monitor-iwd
+++ b/test/monitor-iwd
@@ -66,7 +66,8 @@ relevant_ifaces = [ "net.connman.iwd.Device",
                     "net.connman.iwd.AgentManager",
                     "net.connman.iwd.KnownNetwork",
                     "net.connman.iwd.Station",
-                    "net.connman.iwd.AccessPointDiagnostic"]
+                    "net.connman.iwd.AccessPointDiagnostic",
+                    "net.connman.iwd.StationDiagnostic"]
 
 def interfaces_added(path, interfaces):
     for iface, props in interfaces.items():