diff --git a/tests/lean/run/frontend1.lean b/tests/lean/run/frontend1.lean
index 45488cd324..834e5f729b 100644
--- a/tests/lean/run/frontend1.lean
+++ b/tests/lean/run/frontend1.lean
@@ -196,7 +196,7 @@ f a
 #eval run "variables {α β} axiom x (n : Nat) : α → α #check x 1 0"
 #eval run "#check HasToString.toString 0"
 #eval run "@[instance] axiom newInst : HasToString Nat #check newInst #check HasToString.toString 0"
-#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 "variables {β σ} universes w1 w2 /-- Testing axiom -/ unsafe axiom Nat.aux (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\" #check x"