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 af5643cf40..7084c1468d 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
@@ -5,7 +5,7 @@ import org.junit.jupiter.api.Test;
 class MySampleGUIAppnUnitTest extends MySampleGUIAppn {
 
     @Test
-    void testMain() {
+    void testMain() throws IOException {
         MySampleGUIAppn instance = new MySampleGUIAppn();
         String [] args = null;
         System.exit(DO_NOTHING_ON_CLOSE);