Index: /issm/trunk-jpl/m4/issm_options.m4
===================================================================
--- /issm/trunk-jpl/m4/issm_options.m4	(revision 12303)
+++ /issm/trunk-jpl/m4/issm_options.m4	(revision 12304)
@@ -953,5 +953,5 @@
 	HAVE_FORTRAN=no
 	if test -n "$FORTRAN_LIB" ; then
-        if test x$FORTRAN_LIB = xno; then
+        if test "x$FORTRAN_LIB" = "xno"; then
             HAVE_FORTRAN=NO
         else