diff --git a/schemas/interagent-hyper-schema.json b/schemas/interagent-hyper-schema.json
index a94071d..12192f1 100644
--- a/schemas/interagent-hyper-schema.json
+++ b/schemas/interagent-hyper-schema.json
@@ -107,7 +107,7 @@
         "resourceLink": {
             "properties": {
                 "href": {
-                    "pattern": "^(/([a-z0-9][a-z0-9_\\-]*[a-z0-9]|\\{\\(.*\\)\\}))+$"
+                    "pattern": "^(\/((?!-|_)[a-z0-9_\\-]+(?<!-|_)|\\{\\(.*\\)\\}))+$"
                 },
                 "schema": {
                     "anyOf": [