diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-siblings.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-siblings.exp
new file mode 100644
index 000000000..d757cae1f
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-siblings.exp
@@ -0,0 +1 @@
+{ outer = 42; sibling = 42; }
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-siblings.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-siblings.nix
new file mode 100644
index 000000000..31111d808
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-siblings.nix
@@ -0,0 +1,7 @@
+rec {
+  outer =
+    let inner = sibling;
+    in inner;
+
+  sibling = 42;
+}