diff --git a/libc/kernel/uapi/rdma/hfi/hfi1_user.h b/libc/kernel/uapi/rdma/hfi/hfi1_user.h
index 3352907..6d58600 100644
--- a/libc/kernel/uapi/rdma/hfi/hfi1_user.h
+++ b/libc/kernel/uapi/rdma/hfi/hfi1_user.h
@@ -80,7 +80,7 @@
 struct hfi1_status {
   __aligned_u64 dev;
   __aligned_u64 port;
-  char freezemsg[0];
+  char freezemsg[];
 };
 enum sdma_req_opcode {
   EXPECTED = 0,