diff --git a/node/src/main/kotlin/net/corda/node/services/statemachine/MultiThreadedStateMachineManager.kt b/node/src/main/kotlin/net/corda/node/services/statemachine/MultiThreadedStateMachineManager.kt
index c746a63356..8c1a1e8526 100644
--- a/node/src/main/kotlin/net/corda/node/services/statemachine/MultiThreadedStateMachineManager.kt
+++ b/node/src/main/kotlin/net/corda/node/services/statemachine/MultiThreadedStateMachineManager.kt
@@ -364,8 +364,7 @@ class MultiThreadedStateMachineManager(
                     checkpoint = checkpoint,
                     initialDeduplicationHandler = null,
                     isAnyCheckpointPersisted = true,
-                    isStartIdempotent = false,
-                    senderUUID = null
+                    isStartIdempotent = false
             )
         } else {
             // Just flow initiation message
@@ -664,8 +663,7 @@ class MultiThreadedStateMachineManager(
             checkpoint: Checkpoint,
             isAnyCheckpointPersisted: Boolean,
             isStartIdempotent: Boolean,
-            initialDeduplicationHandler: DeduplicationHandler?,
-            senderUUID: String? = ourSenderUUID
+            initialDeduplicationHandler: DeduplicationHandler?
     ): Flow {
         val flowState = checkpoint.flowState
         val resultFuture = openFuture<Any?>()
@@ -681,7 +679,7 @@ class MultiThreadedStateMachineManager(
                         isStartIdempotent = isStartIdempotent,
                         isRemoved = false,
                         flowLogic = logic,
-                        senderUUID = senderUUID
+                        senderUUID = null
                 )
                 val fiber = FlowStateMachineImpl(id, logic, scheduler)
                 fiber.transientValues = TransientReference(createTransientValues(id, resultFuture))
@@ -700,7 +698,7 @@ class MultiThreadedStateMachineManager(
                         isStartIdempotent = isStartIdempotent,
                         isRemoved = false,
                         flowLogic = fiber.logic,
-                        senderUUID = senderUUID
+                        senderUUID = null
                 )
                 fiber.transientValues = TransientReference(createTransientValues(id, resultFuture))
                 fiber.transientState = TransientReference(state)