--- a/src/fuser.c+++ b/src/fuser.c@@ -1174,7 +1174,7 @@
usage(_("No process specification given"));
/* Check if -M flag was used and if so check mounts */
- if (opts * OPT_ISMOUNTPOINT) {+ if (opts & OPT_ISMOUNTPOINT) {
check_mountpoints(&mounts, &names_head, &names_tail);
}