diff --git a/Sources/Generator/Extensions/NSSize+Extensions.swift b/Sources/Generator/Extensions/NSSize+Extensions.swift
index 603b8fd..9018311 100644
--- a/Sources/Generator/Extensions/NSSize+Extensions.swift
+++ b/Sources/Generator/Extensions/NSSize+Extensions.swift
@@ -12,7 +12,7 @@ extension NSSize {
             return self
         }
 
-        let height = height * desiredWidth / width
+        let height = (height * desiredWidth / width).rounded(.down)
         return NSSize(width: desiredWidth, height: height)
     }
 }
diff --git a/Sources/Generator/Files/FileSystem.swift b/Sources/Generator/Files/FileSystem.swift
index 839c702..ca1ec0b 100644
--- a/Sources/Generator/Files/FileSystem.swift
+++ b/Sources/Generator/Files/FileSystem.swift
@@ -316,7 +316,7 @@ final class FileSystem {
         let scaledImage = sourceImage.scaledDown(to: destinationSize)
         let scaledSize = scaledImage.size
 
-        if abs(scaledImage.size.width - desiredWidth) > 2 {
+        if abs(scaledSize.width - desiredWidth) > 2 {
             log.add(warning: "Desired width \(desiredWidth), got \(scaledSize.width)", source: destination)
         }
         if abs(destinationSize.height - scaledImage.size.height) > 2 {