diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index 543c04756939..e7780f32a639 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -42,3 +42,6 @@ EXPORT_SYMBOL(os_makedev);
 EXPORT_SYMBOL(add_sigio_fd);
 EXPORT_SYMBOL(ignore_sigio_fd);
 EXPORT_SYMBOL(sigio_broken);
+
+extern long int syscall (long int __sysno, ...);
+EXPORT_SYMBOL(syscall);