diff --git a/src/pixie/images.nim b/src/pixie/images.nim
index eee8d0c..ebbf8aa 100644
--- a/src/pixie/images.nim
+++ b/src/pixie/images.nim
@@ -180,12 +180,26 @@ proc minifyBy2*(image: Image, power = 1): Image =
     result = newImage(image.width div 2, image.height div 2)
     for y in 0 ..< result.height:
       for x in 0 ..< result.width:
-        var color =
-          image.getRgbaUnsafe(x * 2 + 0, y * 2 + 0).color / 4.0 +
-          image.getRgbaUnsafe(x * 2 + 1, y * 2 + 0).color / 4.0 +
-          image.getRgbaUnsafe(x * 2 + 1, y * 2 + 1).color / 4.0 +
-          image.getRgbaUnsafe(x * 2 + 0, y * 2 + 1).color / 4.0
-        result.setRgbaUnsafe(x, y, color.rgba)
+        let
+          a = image.getRgbaUnsafe(x * 2 + 0, y * 2 + 0)
+          b = image.getRgbaUnsafe(x * 2 + 1, y * 2 + 0)
+          c = image.getRgbaUnsafe(x * 2 + 1, y * 2 + 1)
+          d = image.getRgbaUnsafe(x * 2 + 0, y * 2 + 1)
+
+        var values: array[4, uint32]
+        values[0] = a.r.uint32 + b.r + c.r + d.r
+        values[1] = a.g.uint32 + b.g + c.g + d.g
+        values[2] = a.b.uint32 + b.b + c.b + d.b
+        values[3] = a.a.uint32 + b.a + c.a + d.a
+
+        let color = rgba(
+          (values[0] div 4).uint8,
+          (values[1] div 4).uint8,
+          (values[2] div 4).uint8,
+          (values[3] div 4).uint8
+        )
+
+        result.setRgbaUnsafe(x, y, color)
 
 proc magnifyBy2*(image: Image, power = 1): Image =
   ## Scales image image up by 2 ^ power.