1 files changed, 2 insertions, 2 deletions

diff --git a/src/firejail/sandbox.c b/src/firejail/sandbox.c
index ecc365895..5bfa06ade 100644
--- a/src/firejail/sandbox.c
+++ b/src/firejail/sandbox.c
@@ -43,7 +43,7 @@
 #ifdef HAVE_APPARMOR
 #include <sys/apparmor.h>
 #endif
-
+#include <syscall.h>
 
 static int monitored_pid = 0;
 static void sandbox_handler(int sig){
@@ -907,7 +907,7 @@ int sandbox(void* sandbox_arg) {
         // set seccomp //todo: push it down after drop_privs and/or configuring noroot
 #ifdef HAVE_SECCOMP
         // install protocol filter
-#ifdef SYS_SOCKET
+#ifdef SYS_socket
         if (cfg.protocol) {
                 if (arg_debug)
                         printf("Install protocol filter: %s\n", cfg.protocol);