diff --git a/src/runtime/sigqueue.go b/src/runtime/sigqueue.go
index a282c7aca77..aae1d000461 100644
--- a/src/runtime/sigqueue.go
+++ b/src/runtime/sigqueue.go
@@ -72,7 +72,7 @@ const (
 // It runs from the signal handler, so it's limited in what it can do.
 func sigsend(s uint32) bool {
 	bit := uint32(1) << uint(s&31)
-	if !sig.inuse || s >= uint32(32*len(sig.wanted)) {
+	if s >= uint32(32*len(sig.wanted)) {
 		return false
 	}