diff --git a/pretyping/vnorm.ml b/pretyping/vnorm.ml
index 62e9e477f7f5..1fe6545ce4a4 100644
--- a/pretyping/vnorm.ml
+++ b/pretyping/vnorm.ml
@@ -202,7 +202,7 @@ and nf_univ_args ~nb_univs mk env sigma stk =
 and nf_evar env sigma evk stk =
   let evi = try Evd.find sigma evk with Not_found -> assert false in
   let hyps = Environ.named_context_of_val (Evd.evar_filtered_hyps evi) in
-  let concl = EConstr.Unsafe.to_constr @@ Evd.evar_concl evi in
+  let concl = EConstr.to_constr ~abort_on_undefined_evars:false sigma @@ Evd.evar_concl evi in
   if List.is_empty hyps then
     nf_stk env sigma (mkEvar (evk, [||])) concl stk
   else match stk with
diff --git a/test-suite/bugs/closed/bug_9344.v b/test-suite/bugs/closed/bug_9344.v
new file mode 100644
index 000000000000..fbf86b2dad68
--- /dev/null
+++ b/test-suite/bugs/closed/bug_9344.v
@@ -0,0 +1 @@
+Compute _ I.
diff --git a/test-suite/bugs/closed/bug_9348.v b/test-suite/bugs/closed/bug_9348.v
new file mode 100644
index 000000000000..a4673b5ffc0a
--- /dev/null
+++ b/test-suite/bugs/closed/bug_9348.v
@@ -0,0 +1,3 @@
+Set Primitive Projections.
+Record r {A} := R {f : A -> A}.
+Compute f _ I.