diff --git a/src/cmd/5a/a.y b/src/cmd/5a/a.y
index 9a0efd5e06..512fb5a952 100644
--- a/src/cmd/5a/a.y
+++ b/src/cmd/5a/a.y
@@ -217,7 +217,7 @@ inst:
  */
 |	LTYPEB name ',' imm
 	{
-		outcode($1, Always, &$2, NREG, &$4);
+		outcode($1, Always, &$2, 0, &$4);
 	}
 |	LTYPEB name ',' con ',' imm
 	{