diff --git a/libc/kernel/uapi/asm-generic/signal.h b/libc/kernel/uapi/asm-generic/signal.h
index 5cb1dce..9cf393f 100644
--- a/libc/kernel/uapi/asm-generic/signal.h
+++ b/libc/kernel/uapi/asm-generic/signal.h
@@ -82,7 +82,7 @@
   sigset_t sa_mask;
 };
 typedef struct sigaltstack {
-  void __user * ss_sp;
+  void  * ss_sp;
   int ss_flags;
   __kernel_size_t ss_size;
 } stack_t;