diff --git a/dubbo-common/src/test/java/com/alibaba/dubbo/common/utils/IOUtilsTest.java b/dubbo-common/src/test/java/com/alibaba/dubbo/common/utils/IOUtilsTest.java
index a6d79663e75..f465ed1e556 100644
--- a/dubbo-common/src/test/java/com/alibaba/dubbo/common/utils/IOUtilsTest.java
+++ b/dubbo-common/src/test/java/com/alibaba/dubbo/common/utils/IOUtilsTest.java
@@ -107,7 +107,7 @@ public void testReadLines() throws Exception {
     public void testWriteLines() throws Exception {
         IOUtils.writeLines(os, new String[]{TEXT});
         ByteArrayOutputStream bos = (ByteArrayOutputStream) os;
-        assertThat(new String(bos.toByteArray()), equalTo(TEXT + "\n"));
+        assertThat(new String(bos.toByteArray()), equalTo(TEXT + System.lineSeparator()));
     }
 
     @Test