diff --git a/LinearAlgebra/test/AngleTest.cs b/LinearAlgebra/test/AngleTest.cs
index 00e4981..67110e4 100644
--- a/LinearAlgebra/test/AngleTest.cs
+++ b/LinearAlgebra/test/AngleTest.cs
@@ -35,7 +35,7 @@ namespace LinearAlgebra.Test {
 
             angle = (float)Math.PI * 1.5f;
             a = Angle.Radians(angle);
-            Assert.AreEqual(-Math.PI * 0.5f, a.inRadians);
+            Assert.AreEqual(-Math.PI * 0.5f, a.inRadians, 1.0E-05F);
 
             // Revolutions
             angle = 0.0f;