diff --git a/libc/kernel/uapi/linux/fs.h b/libc/kernel/uapi/linux/fs.h
index 3bb4183..96f9181 100644
--- a/libc/kernel/uapi/linux/fs.h
+++ b/libc/kernel/uapi/linux/fs.h
@@ -63,7 +63,7 @@
   __u16 dest_count;
   __u16 reserved1;
   __u32 reserved2;
-  struct file_dedupe_range_info info[0];
+  struct file_dedupe_range_info info[];
 };
 struct files_stat_struct {
   unsigned long nr_files;