diff --git a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/stringconcatenation/StringConcatenationUnitTest.java b/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/stringconcatenation/StringConcatenationUnitTest.java
index 6d8d2eee3c..9a444e8229 100644
--- a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/stringconcatenation/StringConcatenationUnitTest.java
+++ b/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/stringconcatenation/StringConcatenationUnitTest.java
@@ -43,7 +43,7 @@ public class StringConcatenationUnitTest {
             "oops");
 
 
-    assertEquals("I ate 2,51 blueberry pies, oops...", myString);
+    assertEquals("I ate 2.51 blueberry pies, oops...", myString);
   }
 
   @Test