diff --git a/Greenshot/Drawing/Filters/MagnifierFilter.cs b/Greenshot/Drawing/Filters/MagnifierFilter.cs
index 73a3ff447..30788f2e6 100644
--- a/Greenshot/Drawing/Filters/MagnifierFilter.cs
+++ b/Greenshot/Drawing/Filters/MagnifierFilter.cs
@@ -53,7 +53,7 @@ namespace Greenshot.Drawing.Filters {
 			int halfWidth = rect.Width / 2;
 			int halfHeight = rect.Height / 2;
 			int newWidth = rect.Width / magnificationFactor;
-			int newHeight = rect.Width / magnificationFactor;
+			int newHeight = rect.Height / magnificationFactor;
 			Rectangle source = new Rectangle(rect.X + halfWidth - (newWidth / 2), rect.Y + halfHeight - (newHeight / 2), newWidth, newHeight);
 			graphics.DrawImage(applyBitmap, rect, source, GraphicsUnit.Pixel);
 			graphics.Restore(state);