diff --git a/specification/json/sections/cper-cxl-protocol.json b/specification/json/sections/cper-cxl-protocol.json
index 43ca251..fa25e81 100644
--- a/specification/json/sections/cper-cxl-protocol.json
+++ b/specification/json/sections/cper-cxl-protocol.json
@@ -34,7 +34,7 @@
         },
         "agentType": {
             "type": "object",
-            "$ref": "../common/cper-json-nvp.json"
+            "$ref": "./common/cper-json-nvp.json"
         },
         "agentAddress": {
             "type": "object",