diff --git a/cmake/modules/KDbCreateSharedDataClasses.cmake b/cmake/modules/KDbCreateSharedDataClasses.cmake
index 2bf32939..afe6c548 100644
--- a/cmake/modules/KDbCreateSharedDataClasses.cmake
+++ b/cmake/modules/KDbCreateSharedDataClasses.cmake
@@ -1,69 +1,69 @@
 # This file defines the KDB_CREATE_SHARED_DATA_CLASSES macro.
 #
 # KDB_CREATE_SHARED_DATA_CLASSES(LIST)
 #   Creates header file out of the LIST files in .shared.h format.
 #   FILES should be a list of relative paths to ${CMAKE_SOURCE_DIR}.
 #
 # Following example creates ${CMAKE_CURRENT_BINARY_DIR}/Foo.h
 # and ${CMAKE_CURRENT_BINARY_DIR}/Baz.h files:
 #
 # INCLUDE(KDbCreateSharedDataClass)
 # KDB_CREATE_SHARED_DATA_CLASS(OUTPUT_VAR Bar/Foo.shared.h Baz.shared.h)
 #
 # Copyright (C) 2010 Jarosław Staniek <staniek@kde.org>
 #
 # Redistribution and use is allowed according to the terms of the BSD license.
 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
 
 macro(KDB_CREATE_SHARED_DATA_CLASSES)
     # message(STATUS "KDB_CREATE_SHARED_DATA_CLASSES ARGV: ${ARGV}")
     set(_args "")
     list(APPEND _args ${ARGV})
     list(GET _args 0 OUTPUT_VAR)
     list(GET _args 1 PREFIX)
     list(REMOVE_AT _args 0 1)
     # message(STATUS "OUTPUT_VAR: ${OUTPUT_VAR} ${_args}")
-    find_package(PythonInterp)
+    find_package(PythonInterp EXACT 2)
     if(NOT PYTHONINTERP_FOUND)
         message(FATAL_ERROR "Python interpreter is required by the SharedDataClasses generator (SDC)")
     endif()
     foreach(_input ${_args})
         get_filename_component(INPUT ${_input} ABSOLUTE)
         string(REGEX REPLACE "\\.shared\\.h" ".h" OUTPUT ${_input})
         string(REGEX REPLACE ".*/([^/]+)\\.h" "\\1.h" OUTPUT ${OUTPUT})
         #MESSAGE(DEBUG "--------- ${_input} ${OUTPUT} ${INPUT}")
         #MESSAGE(DEBUG "COMMAND python2 ${CMAKE_SOURCE_DIR}/tools/sdc.py ${INPUT} ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT}")
         message(STATUS "Creating shared data class in ${OUTPUT} from ${_input}")
         if(${PREFIX} STREQUAL "NO_PREFIX")
             set(OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
         else()
             set(OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/${PREFIX})
             set(OUTPUT "${PREFIX}/${OUTPUT}")
         endif()
         # message(STATUS "OUTPUT_DIR: ${OUTPUT_DIR} ${PREFIX}")
         file(MAKE_DIRECTORY ${OUTPUT_DIR})
         execute_process(
             COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/tools/sdc.py
                            ${INPUT}
                            ${OUTPUT_DIR}/${OUTPUT}
             WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
             RESULT_VARIABLE KDB_CREATE_SHARED_DATA_CLASSES_RESULT
         )
         # MESSAGE(STATUS "...result: ${KDB_CREATE_SHARED_DATA_CLASSES_RESULT}")
         list(APPEND ${OUTPUT_VAR} "${OUTPUT}")
     endforeach(_input)
 endmacro(KDB_CREATE_SHARED_DATA_CLASSES)
 
 macro(KDB_REMOVE_EXTENSIONS)
     # message(STATUS "KDB_REMOVE_EXTENSIONS ARGV: ${ARGV}")
     set(_args "")
     list(APPEND _args ${ARGV})
     list(GET _args 0 OUTPUT_VAR)
     list(REMOVE_AT _args 0)
     # message(STATUS "OUTPUT_VAR: ${OUTPUT_VAR} ${_args}")
     foreach(_input ${_args})
         string(REGEX REPLACE "\\.h" "" OUTPUT ${_input})
         # message(STATUS "...result: ${OUTPUT}")
         list(APPEND ${OUTPUT_VAR} "${OUTPUT}")
     endforeach(_input)
 endmacro(KDB_REMOVE_EXTENSIONS)