diff --git a/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java b/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java
index 7084c1468d..2fbd6cf510 100644
--- a/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java
+++ b/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java
@@ -2,7 +2,7 @@ package com.baeldung.jar;
 
 import org.junit.jupiter.api.Test;
 
-class MySampleGUIAppnUnitTest extends MySampleGUIAppn {
+class MySampleGUIAppnUnitTest extends IOException {
 
     @Test
     void testMain() throws IOException {