diff --git a/src/linux/umount.c b/src/linux/umount.c
index c35f994d..f709b33a 100644
--- a/src/linux/umount.c
+++ b/src/linux/umount.c
@@ -1,8 +1,7 @@
 #include <sys/mount.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int umount(const char *special)
 {
-	return syscall1(__NR_umount, (long)special);
+	return syscall2(__NR_umount2, (long)special, 0);
 }