diff --git a/src/cmd/compile/internal/s390x/ggen.go b/src/cmd/compile/internal/s390x/ggen.go
index ba5f2dfc2b..6a72b27ac5 100644
--- a/src/cmd/compile/internal/s390x/ggen.go
+++ b/src/cmd/compile/internal/s390x/ggen.go
@@ -105,10 +105,8 @@ func zeroAuto(pp *gc.Progs, n *gc.Node) {
 }
 
 func ginsnop(pp *gc.Progs) *obj.Prog {
-	p := pp.Prog(s390x.AOR)
-	p.From.Type = obj.TYPE_REG
-	p.From.Reg = int16(s390x.REG_R0)
-	p.To.Type = obj.TYPE_REG
-	p.To.Reg = int16(s390x.REG_R0)
+	p := pp.Prog(s390x.AWORD)
+	p.From.Type = obj.TYPE_CONST
+	p.From.Offset = 0x47000000 // nop 0
 	return p
 }