diff --git a/objects/network-socket/definition.json b/objects/network-socket/definition.json
index 57056ac..bae4f7e 100644
--- a/objects/network-socket/definition.json
+++ b/objects/network-socket/definition.json
@@ -172,6 +172,16 @@
       "misp-attribute": "datetime",
       "ui-priority": 1
     },
+    "mac-dst": {
+      "description": "Destination MAC address as it is included in the packets sent",
+      "misp-attribute": "mac-address",
+      "ui-priority": 1
+    },
+    "mac-src": {
+      "description": "Source (local) MAC address as it is included in the packets sent",
+      "misp-attribute": "mac-address",
+      "ui-priority": 1
+    },
     "option": {
       "description": "Option on the socket connection.",
       "misp-attribute": "text",