diff --git a/src/test/java/CalculatorResourceTest.java b/src/test/java/CalculatorResourceTest.java
index d7f027e37a08c80e45198ad5c6a2e8af5d232409..d96c4b97d6f9a8d8229877be26cf98aaf2a4c91d 100644
--- a/src/test/java/CalculatorResourceTest.java
+++ b/src/test/java/CalculatorResourceTest.java
@@ -13,7 +13,7 @@ public class CalculatorResourceTest{
         assertEquals(400, calculatorResource.calculate(expression));
 
         expression = " 300 - 99 ";
-        assertEquals(200, calculatorResource.calculate(expression));
+        assertEquals(201, calculatorResource.calculate(expression));
     }
 
     @Test