diff --git a/src/utils.typ b/src/utils.typ
index 0186861..6210eb4 100644
--- a/src/utils.typ
+++ b/src/utils.typ
@@ -125,7 +125,7 @@
 
 #let is-length-vector(v) = v.all(x => type(x) == length)
 #let is-number-vector(v) = v.all(x => type(x) in (int, float))
-#let is-nan-vector(v) = is-number-vector(v) and v.all(x => float(x).is-nan())
+#let is-nan-vector(v) = is-number-vector(v) and v.any(x => float(x).is-nan())
 
 
 #let lerp(a, b, t) = a*(1 - t) + b*t
diff --git a/tests/anchors/ref/5.png b/tests/anchors/ref/5.png
index e7c980a..d6e2e70 100644
Binary files a/tests/anchors/ref/5.png and b/tests/anchors/ref/5.png differ
diff --git a/tests/anchors/test.typ b/tests/anchors/test.typ
index a0535e0..01084de 100644
--- a/tests/anchors/test.typ
+++ b/tests/anchors/test.typ
@@ -69,8 +69,16 @@ Node positions depending on other nodes' anchors
 
 #diagram(
 	node((0,0), [Alpha], name: <A>, fill: green),
+	node((1,1), [Beta], name: <B>, fill: yellow),
 	node(<A.north-east>, $ times.circle $),
 	edge(<A>, "->", auto),
-	node((rel: (0pt, -20pt), to: <A.south>), $ plus.circle $, inset: 0pt, name: <B>),
-	node((rel: (10pt, 0pt), to: <B>), $ f $),
+	node((rel: (0pt, -20pt), to: <A.south>), $ plus.circle $, inset: 0pt, name: <C>),
+	node((rel: (10pt, 0pt), to: <C>), $ f $),
+	edge(
+		<A>,
+		((), "-|", (<A.east>, 50%, <B.west>)),
+		((), "|-", <B>),
+		<B>,
+		"..>",
+	)
 )
\ No newline at end of file