diff --git a/config/api/app-support.yaml b/config/api/app-support.yaml
index 5ec671fb2fcd0f57789c71398d0a665f4115f95f..fb7bb25dd0d093ab345959e2a8a5e9bc7940332a 100644
--- a/config/api/app-support.yaml
+++ b/config/api/app-support.yaml
@@ -2250,7 +2250,7 @@ components:
           description: >-
             Requested permissions regarding the access of the application to the service. See clause 8.2 of ETSI GS MEC 009 [4]. The format of this attribute is left for the data model design stage.
           minItems: 0
-          type: array
+          type: string
         serCategory:
           $ref: '#/components/schemas/CategoryRef'
         serName: