diff --git a/cumulus/src/CMakeLists.txt b/cumulus/src/CMakeLists.txt
index 9162a960..27fc5404 100644
--- a/cumulus/src/CMakeLists.txt
+++ b/cumulus/src/CMakeLists.txt
@@ -38,8 +38,8 @@
                   )
          
           install ( FILES ${pySources}     DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus )
-         #install ( FILES ${pyPlugins}     DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins )
-          install ( FILES ${pyPluginBlock} DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins/block )
+          install ( FILES ${pyPlugins}     DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins )
+         #install ( FILES ${pyPluginBlock} DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins/block )
           install ( FILES ${pyPluginCT}    DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins/clocktree )
           install ( FILES ${pyPluginC2C}   DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins/core2chip )
           install ( FILES ${pyPluginChip}  DESTINATION ${PYTHON_SITE_PACKAGES}/cumulus/plugins/chip )
diff --git a/documentation/CMakeLists.txt b/documentation/CMakeLists.txt
index e9bfbb84..23815537 100644
--- a/documentation/CMakeLists.txt
+++ b/documentation/CMakeLists.txt
@@ -5,7 +5,7 @@
 
  cmake_minimum_required(VERSION 2.4.0)
 
- set(ignoreVariables "${LIB_SUFFIX}")
+ set(ignoreVariables "${LIB_SUFFIX} ${CMAKE_INSTALL_DIR}")
 
  option(BUILD_DOC "Build the documentation (html+pdf)" OFF)