Index: /issm/trunk-jpl/m4/issm_options.m4
===================================================================
--- /issm/trunk-jpl/m4/issm_options.m4	(revision 20413)
+++ /issm/trunk-jpl/m4/issm_options.m4	(revision 20414)
@@ -288,10 +288,10 @@
   				if  test $VENDOR = intel-win7-32; 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/win32/microsoft` -Wl,/link -Wl,/EXPORT:mexFunction -Wl,/DLL"
+               MEXLINK="-Wl,/LIBPATH:`cygpath -m ${MATLAB_ROOT}/extern/lib/win32/microsoft` -Wl,/link -Wl,/EXPORT:mexFunction -Wl,/DLL"
 					MEXEXT=`$MATLAB_ROOT/bin/mexext.bat`
 					MEXEXT=".$MEXEXT"
   				elif test $VENDOR = intel-win7-64; 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" 
 					MEXEXT=".mexw64"
   				elif test $VENDOR = MSVC-Win64 || test $VENDOR = MSVC-Win64-par; then