diff --git a/schala-lang/language/src/tree_walk_eval/test.rs b/schala-lang/language/src/tree_walk_eval/test.rs
index b710668..069b0aa 100644
--- a/schala-lang/language/src/tree_walk_eval/test.rs
+++ b/schala-lang/language/src/tree_walk_eval/test.rs
@@ -193,6 +193,16 @@ if alpha {
     is _ then ("nooo", 8888)
 }"#;
     eval_assert(source, r#"("sanchez", 20)"#);
+
+    let source = r#"
+type Vstsavlobs = { tkveni: Int, b: Ia }
+type Ia = { sitqva: Int, ghmerts: String }
+let b = Vstsavlobs::Vstsavlobs { tkveni: 3, b: Ia::Ia { sitqva: 5, ghmerts: "ooo" } }
+if b {
+    is Vstsavlobs::Vstsavlobs { tkveni: _, b: Ia::Ia { sitqva, ghmerts } } then sitqva
+    is _ then 5000
+}"#;
+    eval_assert(source, "5");
 }
 
 #[test]