diff --git a/avogadro/lastinstall/CMakeLists.txt b/avogadro/lastinstall/CMakeLists.txt
index 1bad6d56..bfcb67de 100644
--- a/avogadro/lastinstall/CMakeLists.txt
+++ b/avogadro/lastinstall/CMakeLists.txt
@@ -72,4 +72,11 @@ if((APPLE OR WIN32) AND NOT ${CMAKE_VERSION} VERSION_LESS 2.8.8)
   include(InstallRequiredSystemLibraries)
   include(DeployQt5)
   install_qt5_executable(${exe} "${plugins}" "${ob_plugins}" "${dirs}" "")
+  if (INSTALL_BUNDLE_FILES)
+    # Fixup the bundle
+    install(CODE "
+      include(BundleUtilities)
+      fixup_bundle(\"${exe}/..\" \"${plugins}\" \"${dirs}\")
+      " COMPONENT Runtime)
+  endif()
 endif()
diff --git a/cmake/AvogadroCPack.cmake b/cmake/AvogadroCPack.cmake
index 21601857..2b342736 100644
--- a/cmake/AvogadroCPack.cmake
+++ b/cmake/AvogadroCPack.cmake
@@ -58,33 +58,21 @@ if(INSTALL_BUNDLE_FILES)
   find_program(GENXRD_EXE genXrdPattern)
   if (GENXRD_EXE)
     list(APPEND BUNDLE_EXE_LIST ${GENXRD_EXE})
-    install(FILES ${GENXRD_EXE} DESTINATION ${INSTALL_RUNTIME_DIR}
-      PERMISSIONS
-        OWNER_READ OWNER_WRITE OWNER_EXECUTE
-        GROUP_READ GROUP_EXECUTE
-        WORLD_READ WORLD_EXECUTE)
+    install(PROGRAMS ${GENXRD_EXE} DESTINATION ${INSTALL_RUNTIME_DIR})
   endif()
 
   # look for yaehmop (eht_bind)
   find_program(EHT_BIND_EXE eht_bind)
   if(EHT_BIND_EXE)
     list(APPEND BUNDLE_EXE_LIST ${EHT_BIND_EXE})
-    install(FILES ${EHT_BIND_EXE} DESTINATION ${INSTALL_RUNTIME_DIR}
-      PERMISSIONS
-        OWNER_READ OWNER_WRITE OWNER_EXECUTE
-        GROUP_READ GROUP_EXECUTE
-        WORLD_READ WORLD_EXECUTE)
+    install(PROGRAMS ${EHT_BIND_EXE} DESTINATION ${INSTALL_RUNTIME_DIR})
   endif()
 
   find_program(OBABEL_EXE obabel)
   if(OBABEL_EXE)
     find_program(OBMM_EXE obmm)
     list(APPEND BUNDLE_EXE_LIST ${OBABEL_EXE} ${OBMM_EXE})
-    install(FILES ${OBABEL_EXE} ${OBMM_EXE} DESTINATION ${INSTALL_RUNTIME_DIR}
-      PERMISSIONS
-        OWNER_READ OWNER_WRITE OWNER_EXECUTE
-        GROUP_READ GROUP_EXECUTE
-        WORLD_READ WORLD_EXECUTE)
+    install(PROGRAMS ${OBABEL_EXE} ${OBMM_EXE} DESTINATION ${INSTALL_RUNTIME_DIR})
     get_filename_component(BABEL_DIR "${OBABEL_EXE}" PATH)
     if(WIN32)
       file(GLOB BABEL_PLUGINS ${BABEL_DIR}/*.obf)
diff --git a/cmake/deploy-osx.cmake.in b/cmake/deploy-osx.cmake.in
index 186d6e23..660cd9f8 100644
--- a/cmake/deploy-osx.cmake.in
+++ b/cmake/deploy-osx.cmake.in
@@ -1,6 +1,9 @@
 set(APP_BUNDLE_PATH "${CPACK_TEMPORARY_INSTALL_DIRECTORY}/Avogadro2.app")
 set(APP_ZIP_PATH "${CPACK_TEMPORARY_INSTALL_DIRECTORY}/Avogadro2.zip")
 
+include(BundleUtilities)
+fixup_bundle("${CPACK_TEMPORARY_INSTALL_DIRECTORY}/Avogadro2.app" "" "")
+
 if (DEFINED ENV{CODESIGN_IDENTITY})
     # sign the Open Babel SO files
     file(GLOB OB_PLUGINS ${APP_BUNDLE_PATH}/Contents/lib/openbabel/*.so)
@@ -35,18 +38,4 @@ if (DEFINED ENV{CODESIGN_IDENTITY})
         message(FATAL_ERROR
             \"Running ${COMMAND_ARGS} failed with exit code \${EXIT_CODE}.\")
     endif()
-    set(COMMAND_ARGS
-        ditto
-        -c
-        -k
-        --keepParent 
-        ${APP_BUNDLE_PATH} 
-        ${APP_ZIP_PATH}
-    )
-    execute_process(COMMAND ${COMMAND_ARGS} RESULT_VARIABLE EXIT_CODE)
-    if(NOT EXIT_CODE EQUAL 0)
-        message(FATAL_ERROR
-            \"Running ${COMMAND_ARGS} failed with exit code \${EXIT_CODE}.\")
-    endif()
-
 endif()
\ No newline at end of file