diff --git a/Packs/epo/ModelingRules/McafeeEpoModelingRules_1_3/McafeeEpoModelingRules_1_3_schema.json b/Packs/epo/ModelingRules/McafeeEpoModelingRules_1_3/McafeeEpoModelingRules_1_3_schema.json
index 71e0e6ac973e..e3e5b6de337e 100644
--- a/Packs/epo/ModelingRules/McafeeEpoModelingRules_1_3/McafeeEpoModelingRules_1_3_schema.json
+++ b/Packs/epo/ModelingRules/McafeeEpoModelingRules_1_3/McafeeEpoModelingRules_1_3_schema.json
@@ -60,6 +60,10 @@
       "type": "string",
       "is_array": false
     },
+    "SourceHostName": {
+      "type": "string",
+      "is_array": false
+    },
     "SourceMAC": {
       "type": "string",
       "is_array": false