diff --git a/commons-numbers-gamma/src/test/java/org/apache/commons/numbers/gamma/LanczosApproximationTest.java b/commons-numbers-gamma/src/test/java/org/apache/commons/numbers/gamma/LanczosApproximationTest.java
index e0cb92603..a236662ef 100644
--- a/commons-numbers-gamma/src/test/java/org/apache/commons/numbers/gamma/LanczosApproximationTest.java
+++ b/commons-numbers-gamma/src/test/java/org/apache/commons/numbers/gamma/LanczosApproximationTest.java
@@ -32,8 +32,8 @@ public void testG() {
     public void testSomeValues() {
         // Given that few values are checked, this test would only serve
         // as early warning of unexpected changes to the current code.
-		Assert.assertEquals(29.020294557631818d, LanczosApproximation.value(0.1d), 0d);
-		Assert.assertEquals(13.14778027539684d, LanczosApproximation.value(1.0d), 0d);
-		Assert.assertEquals(7.897828855157814d, LanczosApproximation.value(2.0d), 0d);
+        Assert.assertEquals(29.020294557631818d, LanczosApproximation.value(0.1d), 0d);
+        Assert.assertEquals(13.14778027539684d, LanczosApproximation.value(1.0d), 0d);
+        Assert.assertEquals(7.897828855157814d, LanczosApproximation.value(2.0d), 0d);
     }
 }