--- build_files/PackagingApple.cmake.orig	2018-04-19 12:06:24.000000000 -0700
+++ build_files/PackagingApple.cmake	2018-04-19 12:08:00.000000000 -0700
@@ -22,6 +22,7 @@
 
 # install align_image_stack
 install(FILES ${CMAKE_SOURCE_DIR}/build_files/platforms/macosx/align_image_stack
+        PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
         DESTINATION ${LHDR_OSX_EXECUTABLE_NAME}.app/Contents/MacOS)
 
 # install help