diff --git a/src/ipc/ipc-estimate-utils.js b/src/ipc/ipc-estimate-utils.js
index 0bea299..aa3381d 100644
--- a/src/ipc/ipc-estimate-utils.js
+++ b/src/ipc/ipc-estimate-utils.js
@@ -40,7 +40,7 @@ export async function UpsertEstimate(job) {
 
   job = {
     ...job,
-    v_mileage: job.v_mileage === "" ? 0 : job.v_mileage,
+    v_mileage: (job.v_mileage !== "" && job.v_mileage) || null,
     v_type: DetermineVehicleType(job),
     v_age: CalculateVehicleAge({
       ...job,