diff --git a/cMake/FindPyCXX.cmake b/cMake/FindPyCXX.cmake
index c15c9ec367..e37b08eee8 100644
--- a/cMake/FindPyCXX.cmake
+++ b/cMake/FindPyCXX.cmake
@@ -117,11 +117,11 @@ if(PYCXX_FOUND)
         ${PYCXX_SOURCE_DIR}/cxxsupport.cxx
         ${PYCXX_SOURCE_DIR}/IndirectPythonInterface.cxx
     )
-    if(NOT ${PYCXX_VERSION} VERSION_LESS 6.3.0)
-        list(APPEND PYCXX_SOURCES
-            ${PYCXX_SOURCE_DIR}/cxx_exceptions.cxx)
-        add_definitions(-DPYCXX_6_2_COMPATIBILITY)
-    endif()
+
+    #set old 6.2 pycxx compatibility  
+    list(APPEND PYCXX_SOURCES ${PYCXX_SOURCE_DIR}/cxx_exceptions.cxx)
+    add_definitions(-DPYCXX_6_2_COMPATIBILITY)
+    #end old compatibility
 else(PYCXX_FOUND)
     MESSAGE(STATUS "PyCXX not found")
 endif(PYCXX_FOUND)