diff --git a/OpenAPI/TS28532_FaultMnS.yaml b/OpenAPI/TS28532_FaultMnS.yaml
index 3090258884c7b290292da0ee7a239556005060cc..398bf12bf3ba3b2004c38ee38c343397fd491555 100644
--- a/OpenAPI/TS28532_FaultMnS.yaml
+++ b/OpenAPI/TS28532_FaultMnS.yaml
@@ -546,9 +546,7 @@ components:
         observedMeasurement:
           type: string
         observedValue:
-          oneOf:
-            - type: integer
-            - $ref: 'TS28623_ComDefs.yaml#/components/schemas/Float'
+          type: number
         thresholdLevel:
           $ref: '#/components/schemas/ThresholdLevelInd'
         armTime: