diff --git a/node/src/main/kotlin/net/corda/node/services/statemachine/SingleThreadedStateMachineManager.kt b/node/src/main/kotlin/net/corda/node/services/statemachine/SingleThreadedStateMachineManager.kt
index 7ce692d679..8a6b1d1c15 100644
--- a/node/src/main/kotlin/net/corda/node/services/statemachine/SingleThreadedStateMachineManager.kt
+++ b/node/src/main/kotlin/net/corda/node/services/statemachine/SingleThreadedStateMachineManager.kt
@@ -418,7 +418,7 @@ class SingleThreadedStateMachineManager(
         val sessionMessage = try {
             event.receivedMessage.data.deserialize<SessionMessage>()
         } catch (ex: Exception) {
-            logger.error("Received corrupt SessionMessage data from $peer")
+            logger.error("Unable to deserialize SessionMessage data from $peer", ex)
             event.deduplicationHandler.afterDatabaseTransaction()
             return
         }