diff --git a/bacnet-stack/demo/object/gw_device.c b/bacnet-stack/demo/object/gw_device.c
index dbb9f778..fcb7226b 100644
--- a/bacnet-stack/demo/object/gw_device.c
+++ b/bacnet-stack/demo/object/gw_device.c
@@ -410,7 +410,7 @@ bool Routed_Device_Name(
             pDev->bacObj.Object_Name);
     }
 
-    return NULL;
+    return FALSE;
 }
 
 /** Manages ReadProperty service for fields which are different for routed