diff --git a/examples/testapp/src/main/java/com/navercorp/pinpoint/testapp/util/Description.java b/examples/testapp/src/main/java/com/navercorp/pinpoint/testapp/util/Description.java
index 6c71fbbba..3bf073d1a 100644
--- a/examples/testapp/src/main/java/com/navercorp/pinpoint/testapp/util/Description.java
+++ b/examples/testapp/src/main/java/com/navercorp/pinpoint/testapp/util/Description.java
@@ -8,5 +8,5 @@ import java.lang.annotation.Target;
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface Description {
-    String value();
+    String value() default "";
 }