diff --git a/node/src/main/kotlin/net/corda/node/services/statemachine/StateMachineManagerImpl.kt b/node/src/main/kotlin/net/corda/node/services/statemachine/StateMachineManagerImpl.kt
index 8a258b7baf..0cd0e15509 100644
--- a/node/src/main/kotlin/net/corda/node/services/statemachine/StateMachineManagerImpl.kt
+++ b/node/src/main/kotlin/net/corda/node/services/statemachine/StateMachineManagerImpl.kt
@@ -274,7 +274,7 @@ class StateMachineManagerImpl(
         val sessionMessage = try {
             message.data.deserialize<SessionMessage>()
         } catch (ex: Exception) {
-            logger.error("Received corrupt SessionMessage data from $peer")
+            logger.error("Unable to deserialize SessionMessage data from $peer", ex)
             return
         }
         val sender = serviceHub.networkMapCache.getPeerByLegalName(peer)