diff --git a/Core/src/test/java/com/songoda/core/math/MathUtilsTest.java b/Core/src/test/java/com/songoda/core/math/MathUtilsTest.java
index fea0b3d6..20147be8 100644
--- a/Core/src/test/java/com/songoda/core/math/MathUtilsTest.java
+++ b/Core/src/test/java/com/songoda/core/math/MathUtilsTest.java
@@ -8,7 +8,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class MathUtilsTest {
     private final String warningMessage = "MathTest";
-    private final String warningMessageExpectedStart = "[" + warningMessage + "] ";
+    private final String warningMessageExpectedStart = warningMessage + " ";
 
     @Test
     void eval() {