diff -Naur a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2016-04-12 16:28:06.000000000 +0200
+++ b/CMakeLists.txt	2016-04-16 12:34:29.241397806 +0200
@@ -67,12 +67,18 @@
     install(DIRECTORY ${CMAKE_BINARY_DIR}/resources DESTINATION ${CMAKE_INSTALL_DATADIR}/uranium/)
 endif()
 
-if(APPLE OR WIN32)
-    install(DIRECTORY UM DESTINATION lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)
-else()
-    install(DIRECTORY UM DESTINATION lib/python${PYTHON_VERSION_MAJOR}/dist-packages)
+if(NOT PYTHON_SITE_PACKAGES_DIR) 
+    if(APPLE OR WIN32)
+        set(PYTHON_SITE_PACKAGES_DIR lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages CACHE
+            STRING "Directory to install Python bindings to")
+    else()
+        set(PYTHON_SITE_PACKAGES_DIR lib/python${PYTHON_VERSION_MAJOR}/dist-packages CACHE
+            STRING "Directory to install Python bindings to")
+    endif()
 endif()
+
+install(DIRECTORY UM DESTINATION ${PYTHON_SITE_PACKAGES_DIR})
 install(DIRECTORY resources DESTINATION ${CMAKE_INSTALL_DATADIR}/uranium)
-install(DIRECTORY plugins DESTINATION lib/uranium)
+install(DIRECTORY plugins DESTINATION ${CMAKE_INSTALL_LIBDIR}/uranium)
 
 include(CPackConfig.cmake)