diff --git a/src/pixie/images.nim b/src/pixie/images.nim
index 0d184b2..be38544 100644
--- a/src/pixie/images.nim
+++ b/src/pixie/images.nim
@@ -209,7 +209,7 @@ proc minifyBy2*(image: Image, power = 1): Image =
     return image.copy()
 
   var src = image
-  for i in 1 .. power:
+  for _ in 1 .. power:
     result = newImage(src.width div 2, src.height div 2)
     for y in 0 ..< result.height:
       for x in 0 ..< result.width:
diff --git a/tests/benchmark_images.nim b/tests/benchmark_images.nim
index e74ce70..95fac3c 100644
--- a/tests/benchmark_images.nim
+++ b/tests/benchmark_images.nim
@@ -33,6 +33,10 @@ timeIt "minifyBy2":
   let minified = image.minifyBy2()
   doAssert minified[0, 0] == rgba(63, 127, 191, 191)
 
+timeIt "magnifyBy2":
+  let minified = image.magnifyBy2()
+  doAssert minified[0, 0] == rgba(63, 127, 191, 191)
+
 reset()
 
 timeIt "invert":