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-rw-r--r--src/ipc/ftok.c2
1 files changed, 1 insertions, 1 deletions
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));
 }