diff --git a/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h ./sandbox/linux/system_headers/linux_syscalls.h
index 2b78a0c..b6fedb5 100644
--- a/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h
+++ b/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h
@@ -10,6 +10,7 @@
 #define SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SYSCALLS_H_
 
 #include "build/build_config.h"
+#include <sys/syscall.h>
 
 #if defined(__x86_64__)
 #include "sandbox/linux/system_headers/x86_64_linux_syscalls.h"