diff --git a/CMakeLists.txt b/CMakeLists.txt
index c853e38..5df3253 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -232,7 +232,7 @@ _pkg_config = {
     'pykde_kde_sip_flags':  '${_SIP_TAGS} ${_SIP_X} ${SIP_EXTRA_OPTIONS}',
     'pykde_mod_dir':        '${PYTHON_SITE_PACKAGES_INSTALL_DIR}/PyKDE4',
     'pykde_modules':        '${PYKDE_MODULES}',
-    'pykde_sip_dir':        '${SIP_DEFAULT_SIP_DIR}/PyKDE4',
+    'pykde_sip_dir':        '${CMAKE_INSTALL_PREFIX}/share/sip/PyKDE4',
     'pykde_version':        kde_version_hex,
     'pykde_version_str':    '${KDE_VERSION}'
 }
@@ -244,7 +244,7 @@ PYTHON_INSTALL(${CMAKE_CURRENT_BINARY_DIR}/pykdeconfig.py ${PYTHON_SITE_PACKAGES
 
 # Install the .sip files for anyone that wants to build bindings on top of PyKDE4.
 # (Don't forget the / at the end of sip/.)
-INSTALL(DIRECTORY sip/ DESTINATION ${SIP_DEFAULT_SIP_DIR}/PyKDE4
+INSTALL(DIRECTORY sip/ DESTINATION ${CMAKE_INSTALL_PREFIX}/share/sip/PyKDE4
     PATTERN "*~" EXCLUDE    # This sucks, why can't I just whitelist what I _do_ want?
     PATTERN ".svn" EXCLUDE
     PATTERN "*.in" EXCLUDE)
diff --git a/kpythonpluginfactory/CMakeLists.txt b/kpythonpluginfactory/CMakeLists.txt
index 41fa0fe..642d867 100644
--- a/kpythonpluginfactory/CMakeLists.txt
+++ b/kpythonpluginfactory/CMakeLists.txt
@@ -3,7 +3,12 @@
 set(kpythonpluginfactory_SRCS
     kpythonpluginfactory.cpp)
 
-GET_FILENAME_COMPONENT(LIB_PYTHON ${PYTHON_LIBRARY} NAME)
+option(HARDCODE_LIB_PYTHON_PATH "Whether the path to libpython.so should be hardcoded" OFF)
+if(HARDCODE_LIB_PYTHON_PATH)
+	get_filename_component(LIB_PYTHON ${PYTHON_LIBRARY} REALPATH)
+else(HARDCODE_LIB_PYTHON_PATH)
+    get_filename_component(LIB_PYTHON ${PYTHON_LIBRARY} NAME)
+endif(HARDCODE_LIB_PYTHON_PATH)
 ADD_DEFINITIONS(-DLIB_PYTHON=\\"${LIB_PYTHON}\\")
 ADD_DEFINITIONS(-DKDE_DEFAULT_DEBUG_AREA=15000)