diff --git a/src/test/java/CalculatorResourceTest.java b/src/test/java/CalculatorResourceTest.java
index a04ee8b3d17b9a5bd7d9b67de303cdb4b26dd1df..84e068075c666421346c0387c845343fc0b0b1be 100644
--- a/src/test/java/CalculatorResourceTest.java
+++ b/src/test/java/CalculatorResourceTest.java
@@ -24,7 +24,7 @@ public class CalculatorResourceTest{
         assertEquals(400, calculatorResource.sum(expression));
 
         expression = "300+99";
-        assertEquals(400, calculatorResource.sum(expression));
+        assertEquals(399, calculatorResource.sum(expression));
     }
 
     @Test
@@ -35,6 +35,6 @@ public class CalculatorResourceTest{
         assertEquals(899, calculatorResource.subtraction(expression));
 
         expression = "20-2";
-        assertEquals(200, calculatorResource.subtraction(expression));
+        assertEquals(18, calculatorResource.subtraction(expression));
     }
 }