diff --git a/src/kernel/emulation/linux/fcntl/fcntl.c b/src/kernel/emulation/linux/fcntl/fcntl.c
index 17bf33ad2..186e1ec9d 100644
--- a/src/kernel/emulation/linux/fcntl/fcntl.c
+++ b/src/kernel/emulation/linux/fcntl/fcntl.c
@@ -76,6 +76,12 @@ long sys_fcntl_nocancel(int fd, int cmd, long arg)
 		case F_GETLK:
 			// TODO
 			return 0;
+		case F_FULLFSYNC: {
+			ret = LINUX_SYSCALL1(__NR_fsync, fd);
+			if (ret < 0)
+				ret = errno_linux_to_bsd(ret);
+			return 0;
+		};
 		// TODO: implement remaining commands
 		default:
 			return -EINVAL;
diff --git a/src/kernel/emulation/linux/fcntl/fcntl.h b/src/kernel/emulation/linux/fcntl/fcntl.h
index 25decef9f..c93068dae 100644
--- a/src/kernel/emulation/linux/fcntl/fcntl.h
+++ b/src/kernel/emulation/linux/fcntl/fcntl.h
@@ -44,6 +44,7 @@ enum {
 	F_RDADVISE,
 	F_RDAHEAD,
 	F_GETPATH = 50,
+	F_FULLFSYNC = 51,
 	F_CHECK_LV = 98,
 };