diff --git a/bin/sh/eval.c b/bin/sh/eval.c
index a50c53fdcb90..404de3312182 100644
--- a/bin/sh/eval.c
+++ b/bin/sh/eval.c
@@ -165,7 +165,7 @@ evalstring(char *s, int flags)
 	setstackmark(&smark);
 	setinputstring(s, 1);
 	while ((n = parsecmd(0)) != NEOF) {
-		if (n != NULL) {
+		if (n != NULL && !nflag) {
 			if (flags_exit && preadateof())
 				evaltree(n, flags | EV_EXIT);
 			else
diff --git a/tools/regression/bin/sh/execution/set-n4.0 b/tools/regression/bin/sh/execution/set-n4.0
new file mode 100644
index 000000000000..36985084b26b
--- /dev/null
+++ b/tools/regression/bin/sh/execution/set-n4.0
@@ -0,0 +1,3 @@
+# $FreeBSD$
+
+$SH -nc 'echo bad'