diff --git a/bin/sh/eval.c b/bin/sh/eval.c
index 0972b105a2ed..d3708b3bd140 100644
--- a/bin/sh/eval.c
+++ b/bin/sh/eval.c
@@ -279,6 +279,8 @@ evaltree(union node *n, int flags)
 			break;
 		case NNOT:
 			evaltree(n->nnot.com, EV_TESTED);
+			if (evalskip)
+				goto out;
 			exitstatus = !exitstatus;
 			break;
 
diff --git a/tools/regression/bin/sh/execution/not1.0 b/tools/regression/bin/sh/execution/not1.0
new file mode 100644
index 000000000000..12c6265a9282
--- /dev/null
+++ b/tools/regression/bin/sh/execution/not1.0
@@ -0,0 +1,4 @@
+# $FreeBSD$
+
+f() { ! return $1; }
+f 0 && ! f 1
diff --git a/tools/regression/bin/sh/execution/not2.0 b/tools/regression/bin/sh/execution/not2.0
new file mode 100644
index 000000000000..1b128d096716
--- /dev/null
+++ b/tools/regression/bin/sh/execution/not2.0
@@ -0,0 +1,6 @@
+# $FreeBSD$
+
+while :; do
+	! break
+	exit 3
+done