diff --git a/exercises/04/vslc/vsl_programs/ps3-simplify/lists.vsl b/exercises/04/vslc/vsl_programs/ps3-simplify/lists.vsl
index 6d9f078..27a7746 100644
--- a/exercises/04/vslc/vsl_programs/ps3-simplify/lists.vsl
+++ b/exercises/04/vslc/vsl_programs/ps3-simplify/lists.vsl
@@ -12,5 +12,5 @@ end
 func main() begin
     var n, o, p, q, r, s, t, u, v, w
     n := 5
-    n += my_func(1, 2, 3, 5, 8, 13, 21, 34)
+    n += my_func(1, 2, 3, 5, 8, 13, 21, w)
 end
\ No newline at end of file