diff --git a/app/models/types_de_champ/carte_type_de_champ.rb b/app/models/types_de_champ/carte_type_de_champ.rb
index 9a16c6392..01cbd2a20 100644
--- a/app/models/types_de_champ/carte_type_de_champ.rb
+++ b/app/models/types_de_champ/carte_type_de_champ.rb
@@ -27,4 +27,8 @@ class TypesDeChamp::CarteTypeDeChamp < TypesDeChamp::TypeDeChampBase
   def champ_value_for_export(champ, path = :value)
     champ.geo_areas.map(&:label).join("\n")
   end
+
+  def columns(procedure_id:, displayable: true, prefix: nil)
+    []
+  end
 end
diff --git a/app/models/types_de_champ/piece_justificative_type_de_champ.rb b/app/models/types_de_champ/piece_justificative_type_de_champ.rb
index 6f00eec3a..2c68ef035 100644
--- a/app/models/types_de_champ/piece_justificative_type_de_champ.rb
+++ b/app/models/types_de_champ/piece_justificative_type_de_champ.rb
@@ -22,4 +22,8 @@ class TypesDeChamp::PieceJustificativeTypeDeChamp < TypesDeChamp::TypeDeChampBas
       attachment.url
     end
   end
+
+  def columns(procedure_id:, displayable: true, prefix: nil)
+    []
+  end
 end
diff --git a/spec/models/column_spec.rb b/spec/models/column_spec.rb
index 2d7652822..c1f1442dd 100644
--- a/spec/models/column_spec.rb
+++ b/spec/models/column_spec.rb
@@ -66,7 +66,8 @@ describe Column do
         expect_type_de_champ_values('linked_drop_down_list', [nil, "categorie 1", "choix 1"])
         expect_type_de_champ_values('yes_no', [true])
         expect_type_de_champ_values('annuaire_education', [nil])
-        expect_type_de_champ_values('carte', [nil])
+        expect_type_de_champ_values('carte', [])
+        expect_type_de_champ_values('piece_justificative', [])
         expect_type_de_champ_values('cnaf', [nil])
         expect_type_de_champ_values('dgfip', [nil])
         expect_type_de_champ_values('pole_emploi', [nil])