--- a/find-modules/FindPythonModuleGeneration.cmake

+++ b/find-modules/FindPythonModuleGeneration.cmake

@@ -230,7 +230,7 @@ foreach(pyversion ${_pyversions})

     )

   else()

-    set(KDE_INSTALL_PYTHON${pyversion}DIR lib/python${pyversion${pyversion}_maj_min}/site-packages)

+    set(KDE_INSTALL_PYTHON${pyversion}DIR lib${LIB_SUFFIX}/python${pyversion${pyversion}_maj_min}/site-packages)

   endif()

   if(NOT IS_ABSOLUTE ${KDE_INSTALL_PYTHON${pyversion}DIR})

@@ -514,10 +514,16 @@ headers = sipAPI${GPB_MODULENAME}

             ${_kf5_python_prefix}

         )

+        if (pyversion EQUAL "3")

+          set(sipversion ${pyversion})

+        else ()

+          set(sipversion "")

+        endif()

+

         install(DIRECTORY ${CMAKE_BINARY_DIR}/py${pyversion}/${GPB_PYTHONNAMESPACE}

           DESTINATION ${KDE_INSTALL_PYTHON${pyversion}DIR})

         install(FILES ${sip_files} "${CMAKE_CURRENT_BINARY_DIR}/sip/${GPB_PYTHONNAMESPACE}/${GPB_MODULENAME}/${GPB_MODULENAME}mod.sip"

-          DESTINATION share/sip/${GPB_PYTHONNAMESPACE}/${GPB_MODULENAME}

+          DESTINATION share/sip${sipversion}/${GPB_PYTHONNAMESPACE}/${GPB_MODULENAME}

         )

     endforeach()

 endfunction()