diff --git a/bsnes/target-bsnes/GNUmakefile b/bsnes/target-bsnes/GNUmakefile
index 4c67bde..7a3ab9f 100644
--- a/bsnes/target-bsnes/GNUmakefile
+++ b/bsnes/target-bsnes/GNUmakefile
@@ -33,7 +33,7 @@ ifeq ($(platform),macos)
 	cp Database/* out/$(name).app/Contents/MacOS/Database/
 	cp -r ../shaders/* out/$(name).app/Contents/macOS/Shaders/
 	cp $(ui)/resource/$(name).plist out/$(name).app/Contents/Info.plist
-	sips -s format icns $(ui)/resource/$(name).png --out out/$(name).app/Contents/Resources/$(name).icns
+	png2icns out/$(name).app/Contents/Resources/$(name).icns $(ui)/resource/$(name).png
 endif
 
 verbose: hiro.verbose ruby.verbose nall.verbose all;