diff --git a/cmake_modules/SuperBuild.cmake b/cmake_modules/SuperBuild.cmake
index de9370bb..546ded40 100644
--- a/cmake_modules/SuperBuild.cmake
+++ b/cmake_modules/SuperBuild.cmake
@@ -88,7 +88,7 @@ endif (USE_PYTHON)
 
 #######################################################################
 
-if(USE_OCC AND WIN32)
+if(USE_OCC AND WIN32 AND NOT OCC_INCLUDE_DIR)
     ExternalProject_Add(win_download_occ
       PREFIX ${CMAKE_CURRENT_BINARY_DIR}/tcl
       URL ${OCC_DOWNLOAD_URL_WIN}
@@ -100,7 +100,7 @@ if(USE_OCC AND WIN32)
       LOG_DOWNLOAD 1
       )
     list(APPEND NETGEN_DEPENDENCIES win_download_occ)
-endif(USE_OCC AND WIN32)
+endif(USE_OCC AND WIN32 AND NOT OCC_INCLUDE_DIR)
 
 #######################################################################
 
@@ -132,6 +132,8 @@ set_vars( NETGEN_CMAKE_ARGS
   INSTALL_DEPENDENCIES
   INTEL_MIC
   CMAKE_PREFIX_PATH
+  OCC_INCLUDE_DIR
+  OCC_LIBRARY_DIR
   )
 
 if(${CMAKE_GENERATOR} STREQUAL "Unix Makefiles")
diff --git a/libsrc/occ/Partition_Inter3d.cxx b/libsrc/occ/Partition_Inter3d.cxx
index 1066871a..9fe1641a 100644
--- a/libsrc/occ/Partition_Inter3d.cxx
+++ b/libsrc/occ/Partition_Inter3d.cxx
@@ -702,7 +702,7 @@ TopTools_MapOfShape& Partition_Inter3d::TouchedFaces()
 //purpose  : 
 //=======================================================================
 
-Handle(BRepAlgo_AsDes) Partition_Inter3d::AsDes() const 
+Handle_BRepAlgo_AsDes Partition_Inter3d::AsDes() const 
 {
   return myAsDes;
 }
@@ -829,7 +829,7 @@ TopoDS_Vertex Partition_Inter3d::ReplaceSameDomainV(const TopoDS_Vertex& V,
 //purpose  : 
 //=======================================================================
 
-Handle(BRepAlgo_AsDes) Partition_Inter3d::SectionEdgesAD() const
+Handle_BRepAlgo_AsDes Partition_Inter3d::SectionEdgesAD() const
 {
   return mySectionEdgesAD;
 }