diff --git a/OpenAPI/TS28623_ComDefs.yaml b/OpenAPI/TS28623_ComDefs.yaml
index 70a9630d2fa881d428f6aabc15ff915db85e4230..de0cc05af6743ee62962fa0c06355aaccae76cbc 100755
--- a/OpenAPI/TS28623_ComDefs.yaml
+++ b/OpenAPI/TS28623_ComDefs.yaml
@@ -133,6 +133,7 @@ components:
       oneOf:
         - $ref: '#/components/schemas/Ipv4Addr'
         - $ref: '#/components/schemas/Ipv6Addr'
+        - $ref: '#/components/schemas/Ipv6Prefix'
     HostAddr:
       #  This definition will be deprecated, when all occurances of HostAddr
       #  are replaced by Host.