diff --git a/libc/kernel/uapi/scsi/scsi_netlink_fc.h b/libc/kernel/uapi/scsi/scsi_netlink_fc.h
index ff92877..6eeb866 100644
--- a/libc/kernel/uapi/scsi/scsi_netlink_fc.h
+++ b/libc/kernel/uapi/scsi/scsi_netlink_fc.h
@@ -30,6 +30,9 @@
   __u16 event_datalen;
   __u32 event_num;
   __u32 event_code;
-  __u32 event_data;
+  union {
+    __u32 event_data;
+    __DECLARE_FLEX_ARRAY(__u8, event_data_flex);
+  };
 } __attribute__((aligned(sizeof(__u64))));
 #endif