diff --git a/app/lib/api_education/annuaire_education_adapter.rb b/app/lib/api_education/annuaire_education_adapter.rb
index 161317d69..492f274d9 100644
--- a/app/lib/api_education/annuaire_education_adapter.rb
+++ b/app/lib/api_education/annuaire_education_adapter.rb
@@ -15,6 +15,13 @@ class APIEducation::AnnuaireEducationAdapter
     record = data_source[:records].first
     if record.present?
       properties = record[:fields].merge({ geometry: record[:geometry] }).deep_stringify_keys
+      # API sends numbers as strings sometime. Try to parse.
+      if properties['code_type_contrat_prive'].is_a? String
+        code = properties['code_type_contrat_prive'].to_i
+        if code.to_s == properties['code_type_contrat_prive']
+          properties['code_type_contrat_prive'] = code
+        end
+      end
       if schemer.valid?(properties)
         properties
       else
diff --git a/spec/fixtures/files/api_education/annuaire_education_bug.json b/spec/fixtures/files/api_education/annuaire_education_bug.json
new file mode 100644
index 000000000..3bf23e897
--- /dev/null
+++ b/spec/fixtures/files/api_education/annuaire_education_bug.json
@@ -0,0 +1,91 @@
+{
+  "nhits": 1,
+  "parameters": {
+    "dataset": "fr-en-annuaire-education",
+    "q": "0050009H",
+    "timezone": "UTC",
+    "rows": 1,
+    "start": 0,
+    "format": "json"
+  },
+  "records": [
+    {
+      "datasetid": "fr-en-annuaire-education",
+      "recordid": "0fd6a58dc6c7e5346e3bd62ada6216f476ebeeac",
+      "fields": {
+        "section_arts": "0",
+        "lycee_agricole": "0",
+        "apprentissage": "1",
+        "voie_generale": "0",
+        "ministere_tutelle": "MINISTERE DE L'EDUCATION NATIONALE",
+        "statut_public_prive": "Public",
+        "libelle_region": "Provence-Alpes-Côte d'Azur",
+        "telephone": "04 92 56 56 10",
+        "date_maj_ligne": "2021-01-12",
+        "hebergement": 1,
+        "libelle_nature": "LYCEE PROFESSIONNEL",
+        "lycee_militaire": "0",
+        "section_sport": "0",
+        "voie_technologique": "0",
+        "fiche_onisep": "http://geolocalisation.onisep.fr/05-hautes-alpes/gap/lycee/lycee-professionnel-sevigne.html",
+        "etat": "OUVERT",
+        "web": "www.lyc-sevigne.ac-aix-marseille.fr",
+        "rpi_concentre": 0,
+        "identifiant_de_l_etablissement": "0050009H",
+        "code_region": "93",
+        "ulis": 1,
+        "restauration": 1,
+        "code_departement": "05",
+        "date_ouverture": "1965-05-01",
+        "voie_professionnelle": "1",
+        "greta": "1",
+        "coordy_origine": 6389542.2,
+        "siren_siret": "19050009000013",
+        "mail": "ce.0050009H@ac-aix-marseille.fr",
+        "type_contrat_prive": "SANS OBJET",
+        "nom_commune": "Gap",
+        "segpa": "0",
+        "adresse_3": "05000 GAP",
+        "fax": "04 92 56 56 30",
+        "type_etablissement": "Lycée",
+        "nombre_d_eleves": 451,
+        "libelle_zone_animation_pedagogique": "GAP",
+        "code_commune": "05061",
+        "latitude": 44.562179100043984,
+        "section_theatre": "0",
+        "section_internationale": "0",
+        "post_bac": "1",
+        "precision_localisation": "Numéro de rue",
+        "multi_uai": 0,
+        "code_postal": "05000",
+        "libelle_departement": "Hautes-Alpes",
+        "section_cinema": "0",
+        "section_europeenne": "1",
+        "libelle_academie": "Aix-Marseille",
+        "longitude": 6.0746303437466915,
+        "code_zone_animation_pedagogique": "02104",
+        "code_academie": "02",
+        "lycee_des_metiers": "1",
+        "epsg_origine": "EPSG:2154",
+        "adresse_1": "6 rue Jean Macé",
+        "nom_etablissement": "Lycée professionnel Sévigné",
+        "pial": "0050009H",
+        "code_nature": 320,
+        "position": [
+          44.562179100043984,
+          6.0746303437466915
+        ],
+        "code_type_contrat_prive": "99",
+        "coordx_origine": 944110.8
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          6.0746303437466915,
+          44.562179100043984
+        ]
+      },
+      "record_timestamp": "2021-01-12T18:03:00+00:00"
+    }
+  ]
+}
diff --git a/spec/lib/api_education/annuaire_education_adapter_spec.rb b/spec/lib/api_education/annuaire_education_adapter_spec.rb
index fe5fa5024..d47e9c29c 100644
--- a/spec/lib/api_education/annuaire_education_adapter_spec.rb
+++ b/spec/lib/api_education/annuaire_education_adapter_spec.rb
@@ -15,6 +15,18 @@ describe APIEducation::AnnuaireEducationAdapter do
     it '#to_params return vaid hash' do
       expect(subject).to be_an_instance_of(Hash)
       expect(subject['identifiant_de_l_etablissement']).to eq(search_term)
+      expect(subject['code_type_contrat_prive']).to eq(99)
+    end
+  end
+
+  context "when responds with code_type_contrat_prive as string" do
+    let(:body) { File.read('spec/fixtures/files/api_education/annuaire_education_bug.json') }
+    let(:status) { 200 }
+
+    it '#to_params return vaid hash' do
+      expect(subject).to be_an_instance_of(Hash)
+      expect(subject['identifiant_de_l_etablissement']).to eq(search_term)
+      expect(subject['code_type_contrat_prive']).to eq(99)
     end
   end