diff --git a/data/evaluatto/src/test/java/io/github/sadellie/evaluatto/ExpressionSimpleTest.kt b/data/evaluatto/src/test/java/io/github/sadellie/evaluatto/ExpressionSimpleTest.kt
index b49df833..feccf8c0 100644
--- a/data/evaluatto/src/test/java/io/github/sadellie/evaluatto/ExpressionSimpleTest.kt
+++ b/data/evaluatto/src/test/java/io/github/sadellie/evaluatto/ExpressionSimpleTest.kt
@@ -143,7 +143,7 @@ class ExpressionSimpleTest {
     fun zeroExponent() = assertExpr("5^0", "1")
 
     @Test
-    fun negativeExponent() = assertExpr("5^(-2)", "0.04")
+    fun negativeExponent() = assertExpr("5^(−2)", "0.04")
 
     @Test
     fun trigonometricLimits() = assertExpr("sin(0)", "0")