diff --git a/go/src/runtime/os_linux_generic.go b/b/src/runtime/os_linux_generic.go
index a16d140..8351ffb 100644
--- a/go/src/runtime/os_linux_generic.go
+++ b/b/src/runtime/os_linux_generic.go
@@ -11,7 +11,7 @@ package runtime
const (
_SS_DISABLE = 2
- _NSIG = 65
+ _NSIG = 64
_SI_USER = 0
_SIG_BLOCK = 0
_SIG_UNBLOCK = 1