diff --git a/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala b/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
index 242163931f7ac..f5f93ece660b8 100644
--- a/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
+++ b/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
@@ -128,7 +128,7 @@ class FileAppenderSuite extends SparkFunSuite with BeforeAndAfter with Logging {
     val files = testRolling(appender, testOutputStream, textToAppend, 0, isCompressed = true)
     files.foreach { file =>
       logInfo(file.toString + ": " + file.length + " bytes")
-      assert(file.length < rolloverSize)
+      assert(file.length <= rolloverSize)
     }
   }