diff --git a/OpenCV/OpenCVClass.cs b/OpenCV/OpenCVClass.cs
index 7d9c3a5..efe543a 100644
--- a/OpenCV/OpenCVClass.cs
+++ b/OpenCV/OpenCVClass.cs
@@ -179,22 +179,22 @@ namespace OpenCV
 
         public IplImage HSVRed(IplImage src)
         {
-            hsv = new IplImage(src.Size, BitDepth.U8, 3);
+            hsvRed = new IplImage(src.Size, BitDepth.U8, 3);
 
             IplImage lowerRed = new IplImage(src.Size, BitDepth.U8, 1);
             IplImage upperRed = new IplImage(src.Size, BitDepth.U8, 1);
             IplImage red = new IplImage(src.Size, BitDepth.U8, 1);
 
-            Cv.CvtColor(src, hsv, ColorConversion.BgrToHsv);
+            Cv.CvtColor(src, hsvRed, ColorConversion.BgrToHsv);
 
-            Cv.InRangeS(hsv, new CvScalar(0, 100, 100), new CvScalar(10, 255, 255), lowerRed);
-            Cv.InRangeS(hsv, new CvScalar(170, 100, 100), new CvScalar(179, 255, 255), upperRed);
+            Cv.InRangeS(hsvRed, new CvScalar(0, 100, 100), new CvScalar(10, 255, 255), lowerRed);
+            Cv.InRangeS(hsvRed, new CvScalar(170, 100, 100), new CvScalar(179, 255, 255), upperRed);
             Cv.AddWeighted(lowerRed, 1.0, upperRed, 1.0, 0.0, red);
 
-            hsv.SetZero();
-            Cv.Copy(src, hsv, red);
+            hsvRed.SetZero();
+            Cv.Copy(src, hsvRed, red);
 
-            return hsv;
+            return hsvRed;
         }
 
         private void Release(params IplImage[] images)