diff --git a/BasicGeometry/FP32Vector2.cs b/BasicGeometry/FP32Vector2.cs
index c629f74..7009986 100644
--- a/BasicGeometry/FP32Vector2.cs
+++ b/BasicGeometry/FP32Vector2.cs
@@ -73,7 +73,7 @@ namespace BasicGeometry
                 return 0;
             }
 
-            float multiplier = Math.Sqrt(1.0f / squareModule);
+            float multiplier = MathF.Sqrt(1.0f / squareModule);
 
             this.x1 *= multiplier;
             this.x2 *= multiplier;
diff --git a/BasicGeometry/FP32Vector3.cs b/BasicGeometry/FP32Vector3.cs
index 6ebb53d..607d047 100644
--- a/BasicGeometry/FP32Vector3.cs
+++ b/BasicGeometry/FP32Vector3.cs
@@ -77,7 +77,7 @@ namespace BasicGeometry
                 return 0;
             }
 
-            float multiplier = Math.Sqrt(1.0f / squareModule);
+            float multiplier = MathF.Sqrt(1.0f / squareModule);
 
             this.x1 *= multiplier;
             this.x2 *= multiplier;