musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/ipc/ftok.c b/src/ipc/ftok.c
index cd6002ed..c36b4b60 100644
--- a/src/ipc/ftok.c
+++ b/src/ipc/ftok.c

@@ -6,5 +6,5 @@ key_t ftok(const char *path, int id)

struct stat st;

if (stat(path, &st) < 0) return -1;

- return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xff) << 24));

+ return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xffu) << 24));

}