diff --git a/src/rocq_elpi_HOAS.ml b/src/rocq_elpi_HOAS.ml
index 4e7600b47..196704c80 100644
--- a/src/rocq_elpi_HOAS.ml
+++ b/src/rocq_elpi_HOAS.ml
@@ -3418,12 +3418,19 @@ let drop_nparams_from_ctx n ctx =
 let ideclc = E.Constants.declare_global_symbol "indt-decl"
 let uideclc = E.Constants.declare_global_symbol "upoly-indt-decl"
 
+
+[%%if coq = "8.20" || coq = "9.0" || coq = "9.1"]
+let mind_record (mib,_) = mib.Declarations.mind_record
+[%%else]
+let mind_record (_,mip) = mip.Declarations.mind_record
+[%%endif]
+
 let inductive_decl2lp ~depth coq_ctx constraints state (mutind,uinst,(mind,ind),(i_impls,k_impls)) =
   let { Declarations.mind_params_ctxt;
         mind_finite = kind;
         mind_nparams = allparamsno;
         mind_nparams_rec = paramsno;
-        mind_record } = mind in
+      } = mind in
   let ntyps = Array.length mind.mind_packets in
   let mind_params_ctxt = Vars.subst_instance_context uinst mind_params_ctxt in
   let allparams = List.map EConstr.of_rel_decl mind_params_ctxt in
@@ -3432,7 +3439,9 @@ let inductive_decl2lp ~depth coq_ctx constraints state (mutind,uinst,(mind,ind),
   let nuparams, params = CList.chop nuparamsno allparams in
   let { Declarations.mind_consnames = constructor_names;
         mind_typename = id;
-        mind_nf_lc = constructor_types } = ind in
+        mind_nf_lc = constructor_types;
+      } = ind in
+  let mind_record = mind_record (mind,ind) in
   let constructor_types = constructor_types |> Array.map (fun (ctx,ty) -> Vars.subst_instance_context uinst ctx, Vars.subst_instance_constr uinst ty) in
   let arity_w_params = Inductive.type_of_inductive ((mind,ind),uinst) in
   let sigma = get_sigma state in
diff --git a/src/rocq_elpi_HOAS.mli b/src/rocq_elpi_HOAS.mli
index eaaee8ee6..1cbdf4701 100644
--- a/src/rocq_elpi_HOAS.mli
+++ b/src/rocq_elpi_HOAS.mli
@@ -353,3 +353,4 @@ val restricted_sigma_of : Univ.Level.Set.t -> state -> Evd.evar_map
 val universes_of_term : state -> EConstr.t -> Univ.Level.Set.t
 val universes_of_udecl : state -> UState.universe_decl -> Univ.Level.Set.t
 
+val mind_record : Declarations.mind_specif -> Declarations.record_info
diff --git a/src/rocq_elpi_builtins.ml b/src/rocq_elpi_builtins.ml
index 2f46a891b..b09a73757 100644
--- a/src/rocq_elpi_builtins.ml
+++ b/src/rocq_elpi_builtins.ml
@@ -1890,8 +1890,8 @@ regarded as not non-informative).|})),
     Out(bool,"PrimProjs",
     Read(global, "checks if Ind is a record (PrimProjs = tt if Ind has primitive projections)"))),
   (fun i _ ~depth {env} _ state ->
-      let mind, indbo = Inductive.lookup_mind_specif env i in
-      match mind.Declarations.mind_record with
+      let specif = Inductive.lookup_mind_specif env i in
+      match Rocq_elpi_HOAS.mind_record specif with
       | Declarations.PrimRecord _ -> !: true
       | Declarations.FakeRecord -> !: false
       | _ -> raise No_clause