diff --git a/src/api/transfers/routes.js b/src/api/transfers/routes.js
index 9a211082..2f8bad8e 100644
--- a/src/api/transfers/routes.js
+++ b/src/api/transfers/routes.js
@@ -107,9 +107,9 @@ module.exports = [{
         'fspiop-uri': Joi.string().optional(),
         'fspiop-http-method': Joi.string().optional()
       }).unknown(false).options({ stripUnknown: true }),
-      params: {
+      params: Joi.object({
         id: Joi.string().required().description('path')
-      },
+      }),
       payload: Joi.object({
         fulfilment: Joi.string().regex(/^[A-Za-z0-9-_]{43}$/).max(48).description('fulfilment of the transfer').label('Invalid transfer fulfilment description.'),
         completedTimestamp: Joi.string().regex(/^(?:[1-9]\d{3}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1\d|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[1-9]\d(?:0[48]|[2468][048]|[13579][26])|(?:[2468][048]|[13579][26])00)-02-29)T(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:(\.\d{3}))(?:Z|[+-][01]\d:[0-5]\d)$/).description('When the transfer was completed').label('A valid transfer completion date must be supplied.'),
@@ -147,9 +147,9 @@ module.exports = [{
         'fspiop-uri': Joi.string().optional(),
         'fspiop-http-method': Joi.string().optional()
       }).unknown(false).options({ stripUnknown: true }),
-      params: {
+      params: Joi.object({
         id: Joi.string().required().description('path')
-      },
+      }),
       payload: Joi.object({
         errorInformation: Joi.object().keys({
           errorDescription: Joi.string().required(),
@@ -187,9 +187,9 @@ module.exports = [{
         'fspiop-uri': Joi.string().optional(),
         'fspiop-http-method': Joi.string().optional()
       }).unknown(false).options({ stripUnknown: true }),
-      params: {
+      params: Joi.object({
         id: Joi.string().guid().required().description('path').label('Supply a valid transfer Id to continue.') // To Do : expand user friendly error msg to params as well
-      }
+      })
     }
   }
 }