diff --git a/src/main/java/resources/CalculatorResource.java b/src/main/java/resources/CalculatorResource.java
index 11180468e62b0f301ca2a61a84762220c15b4961..1a13e3314d7f25663b6ff16d657729527487d8e7 100644
--- a/src/main/java/resources/CalculatorResource.java
+++ b/src/main/java/resources/CalculatorResource.java
@@ -45,7 +45,7 @@ public int calculate(String expression) {
 }
 
     public int multiplication(String equation) {
-    String[] split = equation.split("*");
+    String[] split = equation.split("[*]");
 
     int number1 = Integer.parseInt(split[0]);
     int number2 = Integer.parseInt(split[1]);
@@ -54,7 +54,7 @@ public int calculate(String expression) {
 }
 
     public int division(String equation) {
-    String[] split = equation.split("/");
+    String[] split = equation.split("[/]");
 
     int number1 = Integer.parseInt(split[0]);
     int number2 = Integer.parseInt(split[1]);