diff --git a/CMakeLists.txt b/CMakeLists.txt
index e3c1ac7..e7884d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -223,17 +223,13 @@ endif()
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
 add_custom_target(CreateOSXIcons
    COMMAND mkdir -p ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset
-   COMMAND sips -z 16 16     mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_16x16.png
-   COMMAND sips -z 32 32     mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_16x16@2x.png
-   COMMAND sips -z 32 32     mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_32x32.png
-   COMMAND sips -z 64 64     mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_32x32@2x.png
-   COMMAND sips -z 128 128   mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_128x128.png
-   COMMAND sips -z 256 256   mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_128x128@2x.png
-   COMMAND sips -z 256 256   mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_256x256.png
-   COMMAND sips -z 512 512   mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_256x256@2x.png
-   COMMAND sips -z 512 512   mm/macosx/2s2hIcon.png --out ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_512x512.png
-   COMMAND cp                mm/macosx/2s2hIcon.png ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_512x512@2x.png
-   COMMAND iconutil -c icns -o ${CMAKE_BINARY_DIR}/macosx/2s2h.icns ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset
+   COMMAND convert ${CMAKE_SOURCE_DIR}/mm/macosx/2s2hIcon.png -resize 16x16 ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_16.png
+   COMMAND convert ${CMAKE_SOURCE_DIR}/mm/macosx/2s2hIcon.png -resize 32x32 ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_32.png
+   COMMAND convert ${CMAKE_SOURCE_DIR}/mm/macosx/2s2hIcon.png -resize 64x64 ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_64.png
+   COMMAND convert ${CMAKE_SOURCE_DIR}/mm/macosx/2s2hIcon.png -resize 128x128 ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_128.png
+   COMMAND convert ${CMAKE_SOURCE_DIR}/mm/macosx/2s2hIcon.png -resize 256x256 ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_256.png
+   COMMAND convert ${CMAKE_SOURCE_DIR}/mm/macosx/2s2hIcon.png -resize 512x512 ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_512.png
+   COMMAND png2icns ${CMAKE_BINARY_DIR}/macosx/2s2h.icns ${CMAKE_BINARY_DIR}/macosx/2s2h.iconset/icon_{16,32,64,128,256,512}.png
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    COMMENT "Creating OSX icons ..."
    )
@@ -250,7 +246,6 @@ install(DIRECTORY "${CMAKE_SOURCE_DIR}/mm/assets/xml/" DESTINATION ./assets/xml)
 INSTALL(CODE "FILE(RENAME \${CMAKE_INSTALL_PREFIX}/../MacOS/2s2h-macos \${CMAKE_INSTALL_PREFIX}/../MacOS/2s2h)")
 install(CODE "
    include(BundleUtilities)
-  fixup_bundle(\"\${CMAKE_INSTALL_PREFIX}/../MacOS/2s2h\" \"\" \"${dirs}\")
    ")
 
 endif()