diff --git a/Code/Mantid/Build/CMake/DarwinSetup.cmake b/Code/Mantid/Build/CMake/DarwinSetup.cmake
index 1e2a48303cdadcc466a142ef0b311f1ecc2bba7e..57afc0075dbd0d4f430574887c5dd223dfffa4c4 100644
--- a/Code/Mantid/Build/CMake/DarwinSetup.cmake
+++ b/Code/Mantid/Build/CMake/DarwinSetup.cmake
@@ -132,9 +132,9 @@ else()
  #set ( CMAKE_OSX_ARCHITECTURES x86_64 )
  #set ( CMAKE_OSX_DEPLOYMENT_TARGET 10.9 )
  #set ( PYQT4_PYTHONPATH /usr/local/lib/python${PY_VER}/site-packages/PyQt4 )
- set  ( PYQT4_PYTHONPATH /usr/local/Cellar/pyqt/4.11.1/lib/python${PY_VER}/site-packages/PyQt4 )
+ set  ( PYQT4_PYTHONPATH /usr/local/Cellar/pyqt/4.11.3/lib/python${PY_VER}/site-packages/PyQt4 )
  #set ( SITEPACKAGES /usr/local/lib/python${PY_VER}/site-packages )
- set  ( SITEPACKAGES /usr/local/Cellar/sip/4.16.3_1/lib/python${PY_VER}/site-packages )
+ set  ( SITEPACKAGES /usr/local/Cellar/sip/4.16.5/lib/python${PY_VER}/site-packages )
  # use homebrew OpenSSL package
  set ( OPENSSL_ROOT_DIR /usr/local/opt/openssl )
 endif()
diff --git a/Code/Mantid/MantidPlot/CMakeLists.txt b/Code/Mantid/MantidPlot/CMakeLists.txt
index 8c28fd0b8d61e79be18820860c13313c4c782975..356c3f4fb7d265595eb95d347b4fc04ac5d618b9 100644
--- a/Code/Mantid/MantidPlot/CMakeLists.txt
+++ b/Code/Mantid/MantidPlot/CMakeLists.txt
@@ -1045,4 +1045,4 @@ install ( FILES ${CONFIG_RESET_SCRIPT} DESTINATION ${BIN_DIR} )
 #endif ()
 message ("cmake install prefix: ${CMAKE_INSTALL_PREFIX}")
 install ( FILES  make_package.rb DESTINATION MantidPlot.app/ )
-install( CODE "execute_process(COMMAND \"chmod + x MantidPlot.app/make_package.rb\" )")
+install( CODE "execute_process(COMMAND \"chmod + x  \${CMAKE_INSTALL_PREFIX}/MantidPlot.app/make_package.rb\" )")