diff --git a/buildconfig/CMake/FindOpenCascade.cmake b/buildconfig/CMake/FindOpenCascade.cmake
index 4a32f023d327ce7a4958c2581a073373e1a79d40..a2675606a997fe5ee1ce4e4f43f7e6611f3dae4c 100644
--- a/buildconfig/CMake/FindOpenCascade.cmake
+++ b/buildconfig/CMake/FindOpenCascade.cmake
@@ -18,7 +18,8 @@ if ( WIN32 )
   add_definitions ( -DWNT )
 endif ( WIN32 )
 
-find_path ( OPENCASCADE_LIBRARY_DIR libTKernel.so PATHS
+find_path ( OPENCASCADE_LIBRARY_DIR NAMES libTKernel.so libTKernel.dylib PATHS
+                /usr/local/lib
                 /opt/OpenCASCADE/lib64
                 $ENV{CASROOT}/lib64
                 /opt/OpenCASCADE/lib