diff --git a/OpenAPI/TS28623_ComDefs.yaml b/OpenAPI/TS28623_ComDefs.yaml
index bec1fadcfa96fdf73d269433f03482558f3f2474..2525e40c2893546a0bdf0f56cf55b32bb20f2b01 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.