diff --git a/server/AyaNova/Controllers/WorkOrderController.cs b/server/AyaNova/Controllers/WorkOrderController.cs
index cf8cbdec..67750fd5 100644
--- a/server/AyaNova/Controllers/WorkOrderController.cs
+++ b/server/AyaNova/Controllers/WorkOrderController.cs
@@ -177,11 +177,11 @@ namespace AyaNova.Api.Controllers
         /// applies new Contract and returns complete updated work order
         /// </summary>
         /// <param name="workOrderId">Work order id</param>
-        /// <param name="newContractId">new contract id</param>
+        /// <param name="newContractChangeRecord">new contract id</param>
         /// <param name="apiVersion">From route path</param>
         /// <returns>WorkOrder</returns>
-        [HttpPost("contract/{workOrderId}")]
-        public async Task<IActionResult> ChangeContract([FromRoute] long workOrderId, [FromBody] long? newContractId, ApiVersion apiVersion)
+        [HttpPost("set-contract/{workOrderId}")]
+        public async Task<IActionResult> ChangeContract([FromRoute] long workOrderId, [FromBody] ContractChangeRecord newContractChangeRecord, ApiVersion apiVersion)
         {
             if (!serverState.IsOpen)
                 return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
@@ -190,14 +190,14 @@ namespace AyaNova.Api.Controllers
                 return StatusCode(403, new ApiNotAuthorizedResponse());
             if (!ModelState.IsValid)
                 return BadRequest(new ApiErrorResponse(ModelState));
-            WorkOrder o = await biz.ChangeContract(workOrderId, newContractId);
+            WorkOrder o = await biz.ChangeContract(workOrderId, newContractChangeRecord.NewContractId);
             if (o == null)
                 return BadRequest(new ApiErrorResponse(biz.Errors));
             else
                 return Ok(ApiOkResponse.Response(o));
         }
 
-
+        public record ContractChangeRecord(long? NewContractId);
         #endregion WorkOrderTopLevel routes
 
 
diff --git a/server/AyaNova/biz/WorkOrderBiz.cs b/server/AyaNova/biz/WorkOrderBiz.cs
index cbe77ef1..976f6f52 100644
--- a/server/AyaNova/biz/WorkOrderBiz.cs
+++ b/server/AyaNova/biz/WorkOrderBiz.cs
@@ -320,7 +320,7 @@ namespace AyaNova.Biz
         internal async Task<WorkOrder> ChangeContract(long workOrderId, long? newContractId)
         {
             //this is called by UI via contract change route for contract change only and expects wo back to update client ui
-            var w=await WorkOrderGetAsync(workOrderId,false,false);
+            var w=await ct.WorkOrder.FirstOrDefaultAsync(z=>z.Id==workOrderId);
 
             if (w==null)
             {