diff --git a/compiler/tn.lisp b/compiler/tn.lisp
index 9e2fee84803e2535a2a93c295281e87b87e36155..ea0a1afa0e1c0a3db61c7d694d1501730c30e5dc 100644
--- a/compiler/tn.lisp
+++ b/compiler/tn.lisp
@@ -50,7 +50,9 @@
 	       `(let ((prev nil))
 		  (do ((tn ,name (tn-next tn)))
 		      ((null tn))
-		    (cond ((or (tn-reads tn) (tn-writes tn))
+		    (cond ((or (not (eq (tn-kind tn) :normal))
+			       (tn-reads tn)
+			       (tn-writes tn))
 			   (setq prev tn))
 			  (t
 			   (if prev