diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp
new file mode 100644
index 000000000..e45ef1da2
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp
@@ -0,0 +1 @@
+[ 1 2 3 4 5 6 7 ]
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix
new file mode 100644
index 000000000..811bb4361
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix
@@ -0,0 +1,17 @@
+# This test deals with a tricky edge-case around scopes, where the
+# stack slot accounting must correctly account for the position at
+# which the body of a let expression is being initialised when
+# resolving upvalues.
+
+let
+  a = 1;
+  b = 2;
+  outer = let
+    c = 3;
+    d = 4;
+    inner = let
+      e = 5;
+      f = 6;
+    in g: [ a b c d e f g ];
+  in inner;
+in outer 7