diff --git a/core-java-modules/core-java-exceptions-3/src/test/java/com/baeldung/exceptions/classcastexception/CheckedCastsUnitTest.java b/core-java-modules/core-java-exceptions-3/src/test/java/com/baeldung/exceptions/classcastexception/CheckedCastsUnitTest.java
index 8e62a10e2f..7fac000fa8 100644
--- a/core-java-modules/core-java-exceptions-3/src/test/java/com/baeldung/exceptions/classcastexception/CheckedCastsUnitTest.java
+++ b/core-java-modules/core-java-exceptions-3/src/test/java/com/baeldung/exceptions/classcastexception/CheckedCastsUnitTest.java
@@ -11,7 +11,7 @@ public class CheckedCastsUnitTest {
         Animal animal = new Frog();
 
         //A checked downcast to Mammal is incompatible from Frog because Frog is not a subtype of Mammal.
-        Mammal mammal1 = (Mammal) animal;
+        Mammal mammal = (Mammal) animal;
     }
 
     @Test(expected = ClassCastException.class)