diff --git a/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/AbstractStateMachine.java b/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/AbstractStateMachine.java
index 342ce9d3..c04a9c4f 100644
--- a/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/AbstractStateMachine.java
+++ b/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/AbstractStateMachine.java
@@ -294,7 +294,7 @@ public abstract class AbstractStateMachine<S, E> extends StateMachineObjectSuppo
 				} catch (Exception e) {
 					// aborting, executor should stop possible loop checking possible transitions
 					// causing infinite execution
-					log.warn("Aborting as transition " + t + " caused error " + e);
+					log.warn("Aborting as transition " + t, e);
 					throw new StateMachineException("Aborting as transition " + t + " caused error ", e);
 				}
 				notifyTransition(buildStateContext(Stage.TRANSITION, message, t, getRelayStateMachine()));
diff --git a/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/DefaultStateMachineExecutor.java b/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/DefaultStateMachineExecutor.java
index 3e9a6f1a..65dd4d40 100644
--- a/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/DefaultStateMachineExecutor.java
+++ b/spring-statemachine-core/src/main/java/org/springframework/statemachine/support/DefaultStateMachineExecutor.java
@@ -243,7 +243,7 @@ public class DefaultStateMachineExecutor<S, E> extends LifecycleObjectSupport im
 			try {
 				transit = t.transit(stateContext);
 			} catch (Exception e) {
-				log.warn("Aborting as transition " + t + " caused error " + e);
+				log.warn("Aborting as transition " + t, e);
 			}
 			if (transit) {
 				// if executor transit is raising exception, stop here