diff --git a/src/test/java/org/apache/commons/math3/util/ArithmeticUtilsTest.java b/src/test/java/org/apache/commons/math3/util/ArithmeticUtilsTest.java
index 36992394a..0b10e91f8 100644
--- a/src/test/java/org/apache/commons/math3/util/ArithmeticUtilsTest.java
+++ b/src/test/java/org/apache/commons/math3/util/ArithmeticUtilsTest.java
@@ -395,10 +395,10 @@ public class ArithmeticUtilsTest {
             // expected behavior
         }
 
-        Assert.assertEquals(1801088541, ArithmeticUtils.pow(21, 7l));
-        Assert.assertEquals(1, ArithmeticUtils.pow(21, 0l));
+        Assert.assertEquals(1801088541, ArithmeticUtils.pow(21, 7));
+        Assert.assertEquals(1, ArithmeticUtils.pow(21, 0));
         try {
-            ArithmeticUtils.pow(21, -7l);
+            ArithmeticUtils.pow(21, -7);
             Assert.fail("Expecting MathIllegalArgumentException");
         } catch (MathIllegalArgumentException e) {
             // expected behavior