diff --git a/misc/ismounted.c b/misc/ismounted.c
index 72f4cbae..546277ac 100644
--- a/misc/ismounted.c
+++ b/misc/ismounted.c
@@ -74,6 +74,7 @@ static char *parse_word(char **buf)
 static errcode_t check_mntent_file(const char *mtab_file, const char *file,
 				   int *mount_flags)
 {
+#ifdef HAVE_MNTENT_H
 	struct stat	st_buf;
 	errcode_t	retval = 0;
 	dev_t		file_dev=0, file_rdev=0;
@@ -177,6 +178,9 @@ static errcode_t check_mntent_file(const char *mtab_file, const char *file,
 errout:
 	endmntent (f);
 	return retval;
+#else /* !HAVE_MNTENT_H */
+	return 0;
+#endif /* HAVE_MNTENT_H */
 }
 
 int is_mounted(const char *file)