diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 28f6bf77d7..a472274592 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -24,7 +24,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)  # not necessary, but encouraged
 project (IfcOpenShell VERSION 0.6.0)
 
 # use extra version to make pre-release using eg semver 
-set( EXTRA_VERSION "-alpha.1")
+set( EXTRA_VERSION "-alpha.2")
 
 foreach(max_year RANGE 2014 2030)
 set(max_sdk "$ENV{ADSK_3DSMAX_SDK_${max_year}}")
diff --git a/src/ifcwrap/CMakeLists.txt b/src/ifcwrap/CMakeLists.txt
index d386bfd8c1..32ceaf1a8a 100644
--- a/src/ifcwrap/CMakeLists.txt
+++ b/src/ifcwrap/CMakeLists.txt
@@ -79,7 +79,7 @@ IF(PYTHONINTERP_FOUND AND NOT "${PYTHON_EXECUTABLE}" STREQUAL "")
             OUTPUT_VARIABLE python_package_dir
         )
     ENDIF()
-    set(python_package_dir ${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages/)
+    set(python_package_dir ${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}/dist-packages/)
     IF("${python_package_dir}" STREQUAL "")
         MESSAGE(WARNING "Unable to locate Python site-package directory, unals /ble to install the Python wrapper")
     ELSE()