diff --git a/spring-webflow/src/main/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactory.java b/spring-webflow/src/main/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactory.java
index 478388d7..acc704c6 100644
--- a/spring-webflow/src/main/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactory.java
+++ b/spring-webflow/src/main/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactory.java
@@ -78,7 +78,7 @@ public class FlowExecutionImplFactory implements FlowExecutionFactory {
 			logger.debug("Creating new execution of '" + flowDefinition.getId() + "'");
 		}
 		FlowExecutionImpl execution = new FlowExecutionImpl((Flow) flowDefinition);
-		execution.setAttributes(executionAttributes);
+		execution.setAttributes(new LocalAttributeMap(executionAttributes.asMap()));
 		execution.setListeners(executionListenerLoader.getListeners(execution.getDefinition()));
 		execution.setKeyFactory(executionKeyFactory);
 		return execution;
diff --git a/spring-webflow/src/test/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactoryTests.java b/spring-webflow/src/test/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactoryTests.java
index c0813beb..88a4d711 100644
--- a/spring-webflow/src/test/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactoryTests.java
+++ b/spring-webflow/src/test/java/org/springframework/webflow/engine/impl/FlowExecutionImplFactoryTests.java
@@ -85,6 +85,7 @@ public class FlowExecutionImplFactoryTests extends TestCase {
 		factory.setExecutionAttributes(attributes);
 		FlowExecution execution = factory.createFlowExecution(flowDefinition);
 		assertEquals(attributes, execution.getAttributes());
+		assertNotSame(attributes, execution.getAttributes());
 	}
 
 	public void testCreateWithExecutionListener() {