diff --git a/src/SOL005/NSFaultManagement/definitions/SOL005NSFaultManagement_def.yaml b/src/SOL005/NSFaultManagement/definitions/SOL005NSFaultManagement_def.yaml
index 2feda900ddcb9695c2da74d8ca22b08515818452..c2ff35cca6a51c0c23037875da03ebe07427405c 100644
--- a/src/SOL005/NSFaultManagement/definitions/SOL005NSFaultManagement_def.yaml
+++ b/src/SOL005/NSFaultManagement/definitions/SOL005NSFaultManagement_def.yaml
@@ -94,7 +94,9 @@ definitions:
       faultDetails:
         description: >
           Provides additional information about the fault..
-        type: string
+        type: array
+        items:
+          type: string
       _links:
         description: >
           Links for this resource.