diff --git a/SuperBuild/CMake/External_boost.cmake b/SuperBuild/CMake/External_boost.cmake
index a7be4feb502046de5774b4d6c584087de1729828..18bbdd256b653a830770477dc8917d13bc7e5c1b 100644
--- a/SuperBuild/CMake/External_boost.cmake
+++ b/SuperBuild/CMake/External_boost.cmake
@@ -33,8 +33,10 @@ else()
     if(SUPERBUILD_BOOST_HEADER_ONLY)
       ExternalProject_Add(${proj}
         PREFIX ${proj}
-        URL "http://sourceforge.net/projects/boost/files/boost/1.54.0/boost_1_54_0.tar.gz/download"
-        URL_MD5 efbfbff5a85a9330951f243d0a46e4b9
+        #URL "http://sourceforge.net/projects/boost/files/boost/1.54.0/boost_1_54_0.tar.gz/download"
+        #URL_MD5 efbfbff5a85a9330951f243d0a46e4b9
+        URL "http://sourceforge.net/projects/boost/files/boost/1.50.0/boost_1_50_0.tar.bz2/download"
+        URL_MD5 52dd00be775e689f55a987baebccc462
         BINARY_DIR ${BOOST_SB_BUILD_DIR}
         INSTALL_DIR ${SB_INSTALL_PREFIX}
       DOWNLOAD_DIR ${DOWNLOAD_LOCATION}
@@ -49,8 +51,10 @@ else()
     else()
       ExternalProject_Add(${proj}
         PREFIX ${proj}
-        URL "http://sourceforge.net/projects/boost/files/boost/1.54.0/boost_1_54_0.tar.gz/download"
-        URL_MD5 efbfbff5a85a9330951f243d0a46e4b9
+        #URL "http://sourceforge.net/projects/boost/files/boost/1.54.0/boost_1_54_0.tar.gz/download"
+        #URL_MD5 efbfbff5a85a9330951f243d0a46e4b9
+        URL "http://sourceforge.net/projects/boost/files/boost/1.50.0/boost_1_50_0.tar.bz2/download"
+        URL_MD5 52dd00be775e689f55a987baebccc462
         BINARY_DIR ${BOOST_SB_BUILD_DIR}
         INSTALL_DIR ${SB_INSTALL_PREFIX}
       DOWNLOAD_DIR ${DOWNLOAD_LOCATION}