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-rw-r--r--proofs/pfedit.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/proofs/pfedit.ml b/proofs/pfedit.ml
index 8725f51cd..abda04ff1 100644
--- a/proofs/pfedit.ml
+++ b/proofs/pfedit.ml
@@ -233,7 +233,7 @@ let apply_implicit_tactic tac = (); fun env sigma evk ->
(Environ.named_context env) ->
let tac = Proofview.tclTHEN tac (Proofview.tclEXTEND [] (Proofview.tclZERO (CErrors.UserError (None,Pp.str"Proof is not complete."))) []) in
(try
- let c = Evarutil.nf_evars_universes sigma evi.evar_concl in
+ let c = Evarutil.nf_evars_universes sigma (EConstr.Unsafe.to_constr evi.evar_concl) in
let c = EConstr.of_constr c in
if Evarutil.has_undefined_evars sigma c then raise Exit;
let (ans, _, ctx) =