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-rw-r--r--pretyping/evarsolve.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/pretyping/evarsolve.ml b/pretyping/evarsolve.ml
index aefae1ecc..8afb9b942 100644
--- a/pretyping/evarsolve.ml
+++ b/pretyping/evarsolve.ml
@@ -929,7 +929,7 @@ let invert_arg_from_subst evd aliases k0 subst_in_env_extended_with_k_binders c_
with Not_found ->
match expand_alias_once evd aliases t with
| None -> raise Not_found
- | Some c -> aux k c in
+ | Some c -> aux k (lift k c) in
try
let c = aux 0 c_in_env_extended_with_k_binders in
Invertible (UniqueProjection (c,!effects))