diff --git a/server/services/ocp/controller/materials/mainMaterial.ts b/server/services/ocp/controller/materials/mainMaterial.ts
index ca44bc6..cbe69b6 100644
--- a/server/services/ocp/controller/materials/mainMaterial.ts
+++ b/server/services/ocp/controller/materials/mainMaterial.ts
@@ -19,7 +19,7 @@ export const isMainMatStaged = async (lot: any) => {
         (m: any) => m.HumanReadableId === lot.machineID
     );
     // we have a check on ksc side to ignore the tetra machine for now as its not updating in 2.0
-    if (machine.StagingMainMaterialMandatory === 0) {
+    if (!machine[0].StagingMainMaterialMandatory) {
         createLog(
             "info",
             "mainMaterial",