diff --git a/tests/ref/stack-align.png b/tests/ref/stack-align.png
new file mode 100644
index 000000000..2e4912db8
Binary files /dev/null and b/tests/ref/stack-align.png differ
diff --git a/tests/suite/layout/stack.typ b/tests/suite/layout/stack.typ
index aad273a5b..9d64188c0 100644
--- a/tests/suite/layout/stack.typ
+++ b/tests/suite/layout/stack.typ
@@ -89,3 +89,10 @@ World! 🌍
   // Error: 3-40 stack spacing is infinite
   stack(spacing: infinite-length)[A][B]
 })
+
+--- stack-align ---
+#set align(center)
+#set stack(align: end)
+#stack[I][am][aligned][to][the][right!]
+#stack(align: auto)[I][am][aligned][to][the][center!]
+#stack(dir: rtl, align: horizon)[Aligned \ at][horizon.]