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-rw-r--r--tactics/rewrite.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/tactics/rewrite.ml b/tactics/rewrite.ml
index 1be78c2ad..67d21886b 100644
--- a/tactics/rewrite.ml
+++ b/tactics/rewrite.ml
@@ -2086,7 +2086,7 @@ let setoid_proof ty fn fallback =
let open Context.Rel.Declaration in
let (sigma, t) = Typing.type_of env sigma rel in
let car = get_type (List.hd (fst (Reduction.dest_prod env t))) in
- (try init_setoid () with _ -> raise Not_found);
+ (try init_relation_classes () with _ -> raise Not_found);
fn env sigma car rel
with e -> Proofview.tclZERO e
end