diff --git a/lib/libutil/mntopts.c b/lib/libutil/mntopts.c
--- a/lib/libutil/mntopts.c
+++ b/lib/libutil/mntopts.c
@@ -185,6 +185,7 @@
 				strncpy(statfsp->f_mntfromname, device, len);
 		}
 		if (stat(ddevname, &mntdevstat) == 0 &&
+		    S_ISCHR(mntdevstat.st_mode) &&
 		    mntdevstat.st_rdev == devstat.st_rdev)
 			return (statfsp);
 	}