diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 540595a321a762d305bea8bb1ffa6586a6df0585..90797f1b421d8fec87325268aeae3181fb933978 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -28,7 +28,7 @@ struct posix_acl {
 	refcount_t		a_refcount;
 	struct rcu_head		a_rcu;
 	unsigned int		a_count;
-	struct posix_acl_entry	a_entries[0];
+	struct posix_acl_entry	a_entries[];
 };
 
 #define FOREACH_ACL_ENTRY(pa, acl, pe) \