Index: ../trunk-jpl/m4/issm_options.m4
===================================================================
--- ../trunk-jpl/m4/issm_options.m4	(revision 20405)
+++ ../trunk-jpl/m4/issm_options.m4	(revision 20406)
@@ -296,7 +296,7 @@
 					MEXEXT=".mexw64"
   				elif test $VENDOR = MSVC-Win64 || test $VENDOR = MSVC-Win64-par; then
   					MEXLIB="-Wl,libmx.lib -Wl,libmex.lib -Wl,libmat.lib ${OSLIBS} -Wl,libf2cblas.lib -Wl,libf2clapack.lib" 
-               MEXLINK="-Wl,/LIBPATH:`cygpath -m ${MATLAB_DIR}/extern/lib/win64/microsoft` -Wl,/link -Wl,/EXPORT:mexFunction -Wl,/DLL" 
+               MEXLINK="-Wl,/LIBPATH:`cygpath -m ${MATLAB_ROOT}/extern/lib/win64/microsoft` -Wl,/link -Wl,/EXPORT:mexFunction -Wl,/DLL" 
   					MATLABINCL="-I`cygpath -m $MATLAB_ROOT/extern/include/`"
 					MEXEXT=".mexw64"
   				fi