diff --git a/python/Makefile.am b/python/Makefile.am
index e45e934..5a28867 100644
--- a/python/Makefile.am
+++ b/python/Makefile.am
@@ -1,18 +1,18 @@
 if PYTHON_INTERFACE
 
 if PLATFORM_WIN32
     NO_UNDEFINED = -no-undefined
 else
     NO_UNDEFINED =
 endif
 
-pythonlibdir            = $(libdir)/@PYTHON_VERSION@/site-packages
+pythonlibdir            = $(PYTHON_SITE_PKG)
 pythonlib_LTLIBRARIES   = _libpst.la
 _libpst_la_LDFLAGS      = -module $(NO_UNDEFINED) -avoid-version
 _libpst_la_SOURCES      = python-libpst.cpp
 _libpst_la_LIBADD       = @BOOST_PYTHON_LIB@ ../src/libpst.la
 
 # set the include path found by configure
 INCLUDES= -I$(srcdir)/.. -I$(srcdir)/../src $(all_includes) -I$(PYTHON_INCLUDE_DIR)
 
 endif