diff --git a/CMake/ITKConfig.cmake.in b/CMake/ITKConfig.cmake.in
index bf721c1..6d9178c 100644
--- a/CMake/ITKConfig.cmake.in
+++ b/CMake/ITKConfig.cmake.in
@@ -1,13 +1,17 @@
 SET(MatchPoint_ITK_IS_ENABLED ON)
 
 # The itk source tree used by MatchPoint.
 SET(MatchPoint_ITK_SOURCE_DIR @ITK_SOURCE_DIR@)
 
+# The itk source tree used by MatchPoint.
+SET(MatchPoint_ITK_BUILD_DIR @ITK_BUILD_DIR@)
+SET(ITK_DIR @ITK_BUILD_DIR@)
+
 # The itk library directories used by MatchPoint.
 SET(MatchPoint_ITK_LIBRARY_DIRS @ITK_LIBRARY_DIRS@)
 
 # The itk libraries used by MatchPoint.
 SET(MatchPoint_ITK_LIBRARIES @ITK_LIBRARIES@)
 
 # The itk include directories used by MatchPoint.
 SET(MatchPoint_ITK_INCLUDE_DIRS @ITK_INCLUDE_DIRS@)
diff --git a/Testing/CMakeLists.txt b/Testing/CMakeLists.txt
index 6de705c..9f86b82 100644
--- a/Testing/CMakeLists.txt
+++ b/Testing/CMakeLists.txt
@@ -1,49 +1,50 @@
 MESSAGE (STATUS "processing MatchPoint testing code")
 
 # Testing branch
 PROJECT(MatchPointTesting)
 
 MAKE_DIRECTORY(${MatchPointTesting_BINARY_DIR}/Temporary)
 #ADD_SUBDIRECTORY (Applications)
 
 
 #-----------------------------------------------------------------------------
 # extract and build Litmus
 #-----------------------------------------------------------------------------
 
 include(ExternalProject)
 message(STATUS "Litmus will be automatically downloaded and built.")
 
 set(LITMUS_SOURCE_DIR "${MatchPoint_BINARY_DIR}/external/Litmus-src" PARENT_SCOPE)
 set(LITMUS_BUILD_DIR "${MatchPoint_BINARY_DIR}/external/Litmus-build" PARENT_SCOPE)
 set(LITMUS_CMAKE_DIR "${MatchPoint_BINARY_DIR}/external/Litmus-cmake" PARENT_SCOPE)
 set(LITMUS_SOURCE_DIR "${MatchPoint_BINARY_DIR}/external/Litmus-src" )
 set(LITMUS_BUILD_DIR "${MatchPoint_BINARY_DIR}/external/Litmus-build" )
 set(LITMUS_CMAKE_DIR "${MatchPoint_BINARY_DIR}/external/Litmus-cmake" )
 
 
 set(ENABLE_ITK "-DLIT_ENABLE_ITK_SUPPORT:BOOL=ON")
 set(ITK_DIRECTORY "-DITK_DIR:PATH=${ITK_DIR}")
 IF (MAP_USE_SYSTEM_HDF5)
 	set(SYSTEM_HDF5 "-DLIT_USE_SYSTEM_HDF5:BOOL=ON")
 	set(LITMUS_HDF5_DIR "-DHDF5_DIR:PATH=${HDF5_DIR}")
 ENDIF()
 
 #extract and build Litmus
 ExternalProject_Add(
 	Litmus
 	URL ${MatchPoint_SOURCE_DIR}/Testing/Litmus/Litmus_rev1298.tar.gz
 	URL_HASH SHA1=20CCE03B65826049F49E39A7B66F0802D8D637F8
 	SOURCE_DIR ${LITMUS_SOURCE_DIR}
 	BINARY_DIR ${LITMUS_BUILD_DIR}
 	PREFIX ${LITMUS_CMAKE_DIR}
 	INSTALL_COMMAND ""
 	UPDATE_COMMAND "" # Don't update SVN on every build
 	CMAKE_ARGS
 		-DBUILD_TESTING:BOOL=OFF
 		-DCMAKE_CXX_STANDARD=${MAP_CXX_STANDARD}
+		-DCMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}
 		${ENABLE_ITK}
 		${ITK_DIRECTORY}
 		${SYSTEM_HDF5}
 		${LITMUS_HDF5_DIR}
 )