diff --git a/include/omath/Triangle.hpp b/include/omath/Triangle.hpp
index 77c1532..8107938 100644
--- a/include/omath/Triangle.hpp
+++ b/include/omath/Triangle.hpp
@@ -59,7 +59,7 @@ namespace omath
             const auto sideB = SideBLength();
             const auto hypot = Hypot();
 
-            return sideA*sideA + sideB*sideB == hypot*hypot;
+            return std::abs(sideA*sideA + sideB*sideB - hypot*hypot) <= 0.0001f;
         }
         [[nodiscard]]
         constexpr Vector3 SideBVector() const
diff --git a/tests/general/UnitTestTriangle.cpp b/tests/general/UnitTestTriangle.cpp
index 8fc1aa6..258cb97 100644
--- a/tests/general/UnitTestTriangle.cpp
+++ b/tests/general/UnitTestTriangle.cpp
@@ -113,8 +113,7 @@ TEST_F(UnitTestTriangle, SideVectors)
 
 TEST_F(UnitTestTriangle, IsRectangular)
 {
-    EXPECT_TRUE(t1.IsRectangular());
-    EXPECT_TRUE(t3.IsRectangular());
+    EXPECT_TRUE(Triangle<Vector3>({2,0,0}, {}, {0,2,0}).IsRectangular());
 }
 // Test midpoint
 TEST_F(UnitTestTriangle, MidPoint)