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-rw-r--r--proofs/clenvtac.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/proofs/clenvtac.ml b/proofs/clenvtac.ml
index 08e6c91de..da2eee32a 100644
--- a/proofs/clenvtac.ml
+++ b/proofs/clenvtac.ml
@@ -120,7 +120,7 @@ let fail_quick_unif_flags = {
let unify ?(flags=fail_quick_unif_flags) m =
Proofview.Goal.enter { enter = begin fun gl ->
let env = Tacmach.New.pf_env gl in
- let n = Tacmach.New.pf_nf_concl gl in
+ let n = Tacmach.New.pf_concl (Proofview.Goal.assume gl) in
let evd = clear_metas (Tacmach.New.project gl) in
try
let evd' = w_unify env evd CONV ~flags m n in