diff --git a/src/test/java/yurkovskiy/com/shapes/base/TriangleTest.java b/src/test/java/yurkovskiy/com/shapes/base/TriangleTest.java
index ccff462..3fe2312 100644
--- a/src/test/java/yurkovskiy/com/shapes/base/TriangleTest.java
+++ b/src/test/java/yurkovskiy/com/shapes/base/TriangleTest.java
@@ -25,6 +25,6 @@ public void testTriangleLength()
     public void testTriangleSquare()
     {
         Triangle T = new Triangle(3.0, 4.0, 5.0);
-        assertEquals(100.0, T.square(), 0.0);
+        assertEquals(6.0, T.square(), 0.0);
     }
 }