diff --git a/testing-modules/testing/src/test/java/com/baeldung/testing/assertj/exceptions/Java8StyleAssertions.java b/testing-modules/testing/src/test/java/com/baeldung/testing/assertj/exceptions/Java8StyleAssertions.java
index 15b41dc896..2fbbf6d8d3 100644
--- a/testing-modules/testing/src/test/java/com/baeldung/testing/assertj/exceptions/Java8StyleAssertions.java
+++ b/testing-modules/testing/src/test/java/com/baeldung/testing/assertj/exceptions/Java8StyleAssertions.java
@@ -42,7 +42,7 @@ public class Java8StyleAssertions {
             }
         }).isInstanceOf(RuntimeException.class)
             .hasCauseInstanceOf(IOException.class)
-            .hasStackTraceContaining("java.io.IOException");
+            .hasStackTraceContaining("IOException");
     }
 
     @Test