diff --git a/SDT/schema3.0/test/EchonetLiteExamples.xml b/SDT/schema3.0/test/EchonetLiteExamples.xml
index 8c49523c8121a5e86b2b97479dfde52bd762f88b..bc99816dd703d49e6ec31059a90e78c9cf87f8e1 100644
--- a/SDT/schema3.0/test/EchonetLiteExamples.xml
+++ b/SDT/schema3.0/test/EchonetLiteExamples.xml
@@ -12,7 +12,7 @@
 	<Modules>
 		<ModuleClass name="operationStatus">
 			<Data>
-				<DataPoint name="operationStatus" writable="true">
+				<DataPoint name="operationStatus" readable="true" writable="true">
 					<Doc>This property indicates the ON/OFF status.</Doc>
 					<DataType>
 						<SimpleType type="boolean" />
@@ -170,4 +170,4 @@
 			</Modules>
 		</Device>
 	</Devices>
-</Domain>
\ No newline at end of file
+</Domain>