diff --git a/core-java/src/test/java/com/baeldung/string/CharSequenceVsStringUnitTest.java b/core-java/src/test/java/com/baeldung/string/CharSequenceVsStringUnitTest.java
index 1378b5d876..7df855d932 100644
--- a/core-java/src/test/java/com/baeldung/string/CharSequenceVsStringUnitTest.java
+++ b/core-java/src/test/java/com/baeldung/string/CharSequenceVsStringUnitTest.java
@@ -31,7 +31,7 @@ public class CharSequenceVsStringUnitTest {
         test += "b";
         int secondAddressOfTest = System.identityHashCode(test);
 
-        assertEquals(firstAddressOfTest, secondAddressOfTest);
+        assertNotEquals(firstAddressOfTest, secondAddressOfTest);
     }
 
     @Test