diff --git a/tvix/eval/src/compiler.rs b/tvix/eval/src/compiler.rs
index d4a34ba61..6bb75f92c 100644
--- a/tvix/eval/src/compiler.rs
+++ b/tvix/eval/src/compiler.rs
@@ -393,7 +393,7 @@ impl Compiler {
             // otherwise we need to emit an instruction to construct
             // the attribute path.
             if key_count > 1 {
-                self.chunk.push_op(OpCode::OpAttrPath(2));
+                self.chunk.push_op(OpCode::OpAttrPath(key_count));
             }
 
             // The value is just compiled as normal so that its
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-deeply-nested-attrs.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-deeply-nested-attrs.exp
new file mode 100644
index 000000000..7cf54d959
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-deeply-nested-attrs.exp
@@ -0,0 +1 @@
+{ a = { b = { c = { d = { e = { f = { g = "deep!"; }; }; }; }; }; }; }
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-deeply-nested-attrs.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-deeply-nested-attrs.nix
new file mode 100644
index 000000000..91649d0c6
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-deeply-nested-attrs.nix
@@ -0,0 +1 @@
+{ a.b.c.d.e.f.g = "deep!"; }
diff --git a/tvix/eval/src/value/attrs.rs b/tvix/eval/src/value/attrs.rs
index ca9263604..f61412855 100644
--- a/tvix/eval/src/value/attrs.rs
+++ b/tvix/eval/src/value/attrs.rs
@@ -253,7 +253,7 @@ impl NixAttrs {
                     continue;
                 }
 
-                other => panic!("unexpected attribute key type: {}", other.type_of()),
+                other => panic!("unexpected attribute key: {} :: {}", other, other.type_of()),
             }
         }