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-rw-r--r--contrib/correctness/ptactic.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/correctness/ptactic.ml b/contrib/correctness/ptactic.ml
index 7bcc3a6579..dbae1fce5a 100644
--- a/contrib/correctness/ptactic.ml
+++ b/contrib/correctness/ptactic.ml
@@ -109,7 +109,7 @@ let wf_nat_pattern =
PApp (PRef well_founded, [| PRef nat; PRef lt |])
(* ["((well_founded Z (Zwf ?1))"] *)
let wf_z_pattern =
- let zwf = ConstRef (coq_constant ["correctness";"ProgWf"] "Zwf") in
+ let zwf = ConstRef (coq_constant ["ZArith";"Zwf"] "Zwf") in
PApp (PRef well_founded, [| PRef z; PApp (PRef zwf, [| PMeta (Some 1) |]) |])
(* ["(and ?1 ?2)"] *)
let and_pattern =