diff --git a/tests/lean/run/frontend1.lean b/tests/lean/run/frontend1.lean
index f2e134086e..5c5bee312e 100644
--- a/tests/lean/run/frontend1.lean
+++ b/tests/lean/run/frontend1.lean
@@ -200,8 +200,8 @@ f a
 #eval run "variables {β σ} universes w1 w2 /-- Testing axiom -/ unsafe axiom Nat.aux.{u, v} (γ : Type w1) (v : Nat) : β → (α : Type _) → v = zero /- Nat.zero -/ → Array α #check @Nat.aux"
 #eval run "def x : Nat := Nat.zero #check x"
 #eval run "def x := Nat.zero #check x"
-#eval run "open Lean.Parser def x := parser! symbol \"foo\" Nat.zero #check x"
-#eval run "open Lean.Parser def x := tparser! symbol \"foo\" Nat.zero #check x"
+#eval run "open Lean.Parser def x := parser! symbol \"foo\" 10 #check x"
+#eval run "open Lean.Parser def x := tparser! symbol \"foo\" 0 #check x"
 #eval run "def x : Nat := 1 #check x"