diff --git a/HandmadeMath.h b/HandmadeMath.h
index c8c8278..3311ae5 100644
--- a/HandmadeMath.h
+++ b/HandmadeMath.h
@@ -804,18 +804,19 @@ HMM_Rotate(float Angle, hmm_vec3 Axis)
     
     float SinTheta = sinf(HMM_ToRadians(Angle));
     float CosTheta = cosf(HMM_ToRadians(Angle));
+    float CosValue = 1.0f - CosTheta;
     
-    Result.Elements[0][0] = (Axis.X * Axis.X * (1.0f - CosTheta)) + CosTheta;
-    Result.Elements[0][1] = (Axis.X * Axis.Y * (1.0f - CosTheta)) - (Axis.Z * SinTheta);
-    Result.Elements[0][2] = (Axis.X * Axis.Z * (1.0f - CosTheta)) + (Axis.Y * SinTheta);
+    Result.Elements[0][0] = (Axis.X * Axis.X * CosValue + CosTheta;
+    Result.Elements[0][1] = (Axis.X * Axis.Y * CosValue) - (Axis.Z * SinTheta);
+    Result.Elements[0][2] = (Axis.X * Axis.Z * CosValue) + (Axis.Y * SinTheta);
     
-    Result.Elements[1][0] = (Axis.Y * Axis.X * (1.0f - CosTheta)) + (Axis.Z * SinTheta);
-    Result.Elements[1][1] = (Axis.Y * Axis.Y * (1.0f - CosTheta)) + CosTheta;
-    Result.Elements[1][2] = (Axis.Y * Axis.Z * (1.0f - CosTheta)) - (Axis.X * SinTheta);
+    Result.Elements[1][0] = (Axis.Y * Axis.X * CosValue) + (Axis.Z * SinTheta);
+    Result.Elements[1][1] = (Axis.Y * Axis.Y * CosValue) + CosTheta;
+    Result.Elements[1][2] = (Axis.Y * Axis.Z * CosValue) - (Axis.X * SinTheta);
     
-    Result.Elements[2][0] = (Axis.Z * Axis.X * (1.0f - CosTheta)) - (Axis.Y * SinTheta);
-    Result.Elements[2][1] = (Axis.Z * Axis.Y * (1.0f - CosTheta)) + (Axis.X * SinTheta);
-    Result.Elements[2][2] = (Axis.Z * Axis.Z * (1.0f - CosTheta)) + CosTheta);
+    Result.Elements[2][0] = (Axis.Z * Axis.X * CosValue) - (Axis.Y * SinTheta);
+    Result.Elements[2][1] = (Axis.Z * Axis.Y * CosValue) + (Axis.X * SinTheta);
+    Result.Elements[2][2] = (Axis.Z * Axis.Z * CosValue) + CosTheta;
     
     return (Result);
 }