diff --git a/CMake/cdat_modules/python_pkg.cmake b/CMake/cdat_modules/python_pkg.cmake
index 680cd29921..2234ccc702 100644
--- a/CMake/cdat_modules/python_pkg.cmake
+++ b/CMake/cdat_modules/python_pkg.cmake
@@ -14,10 +14,10 @@ add_cdat_package(Python ${PYTHON_MAJOR_SRC}.${PYTHON_MINOR_SRC}.${PYTHON_PATCH_S
 set(CDAT_OS_XTRA_PATH "")
 
 set(PYTHON_SITE_PACKAGES_PREFIX ${CMAKE_INSTALL_PREFIX})
-set(PYTHON_SITE_PACKAGES ${PYTHON_SITE_PACKAGES_PREFIX}/lib/python${PYVER}/site-packages)
 if (APPLE)
-  set(PYTHON_SITE_PACKAGES ${PYTHON_SITE_PACKAGES_PREFIX}/Library/Frameworks/Python.framework/Versions/${PYVER}/lib/python${PYVER}/site-packages)
+  set(PYTHON_SITE_PACKAGES_PREFIX ${CMAKE_INSTALL_PREFIX}/Library/Frameworks/Python.framework/Versions/${PYVER})
 endif()
+set(PYTHON_SITE_PACKAGES ${PYTHON_SITE_PACKAGES_PREFIX}/lib/python${PYVER}/site-packages)
 set(PYTHONPATH ${PYTHON_SITE_PACKAGES})
 
 if (CDAT_USE_SYSTEM_PYTHON)
diff --git a/CMake/cdat_modules_extra/install.py.in b/CMake/cdat_modules_extra/install.py.in
index c8c8aa0322..b8be352d86 100644
--- a/CMake/cdat_modules_extra/install.py.in
+++ b/CMake/cdat_modules_extra/install.py.in
@@ -262,9 +262,15 @@ def get_version():
   return Version
 
 def get_prefix():
-  import os
+  import os,sys
   try:
-    return os.environ["UVCDAT_SETUP_PATH"]
+    uv_setup_pth = os.environ["UVCDAT_SETUP_PATH"]
+    if os.uname()[0] == "Darwin":
+      uv_setup_pth = os.path.join(uv_setup_pth,
+          "Library","Frameworks","Python.framework","Versions",
+          "%i.%i" % (sys.version_info.major,sys.version_info.minor)
+          )
+    return uv_setup_pth
   except KeyError:
     raise RuntimeError("UVCDAT environment not configured. Please source the setup_runtime script.")