diff --git a/spring-webflow/src/main/java/org/springframework/webflow/action/ActionResultExposer.java b/spring-webflow/src/main/java/org/springframework/webflow/action/ActionResultExposer.java
index d8ad0318..99641050 100644
--- a/spring-webflow/src/main/java/org/springframework/webflow/action/ActionResultExposer.java
+++ b/spring-webflow/src/main/java/org/springframework/webflow/action/ActionResultExposer.java
@@ -123,4 +123,8 @@ public class ActionResultExposer implements Serializable {
 		}
 		return conversionService.getConversionExecutor(value.getClass(), targetType).execute(value);
 	}
+
+	public void setConversionService(ConversionService conversionService) {
+		this.conversionService = conversionService;
+	}
 }
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