diff --git a/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java b/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java
index dff9fe8de81a5fbd491b2d6adc87ca6e9c9cbe64..8c552a7453bedaa0d94d8f53eb7563087ce91602 100755
--- a/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java
+++ b/logback-core/src/test/java/ch/qos/logback/core/AsyncAppenderBaseTest.java
@@ -246,7 +246,7 @@ public class AsyncAppenderBaseTest {
       asyncAppenderBase.addAppender(delayingListAppender);
 	  asyncAppenderBase.start();
 	  asyncAppenderBase.stop();
-	  assertTrue(asyncAppenderBase.worker.isInterrupted());
+	  assertFalse(asyncAppenderBase.worker.isInterrupted());
 	}