diff --git a/src/ScoDoc/GestionSemestre/Bulletin.js b/src/ScoDoc/GestionSemestre/Bulletin.js
index aa0d372..f955a5c 100644
--- a/src/ScoDoc/GestionSemestre/Bulletin.js
+++ b/src/ScoDoc/GestionSemestre/Bulletin.js
@@ -99,7 +99,9 @@ class Bulletin extends Component {
                                         <Dropdown.Menu>
                                             <Dropdown.Item href="#">Min: {this.state.bltn.note.min}</Dropdown.Item>
                                             <Dropdown.Item href="#">Max: {this.state.bltn.note.max}</Dropdown.Item>
-                                            <Dropdown.Item href="#">Classement: {this.state.bltn.rang.value}/{this.state.bltn.rang.ninscrits}</Dropdown.Item>
+                                            {this.state.bltn.hasOwnProperty('rang') &&
+                                                <Dropdown.Item href="#">Classement: {this.state.bltn.rang.value}/{this.state.bltn.rang.ninscrits}</Dropdown.Item>
+                                            }
                                         </Dropdown.Menu>
                                     </Dropdown>
                                 </th>
@@ -119,7 +121,9 @@ class Bulletin extends Component {
                                                 <Dropdown.Menu>
                                                     <Dropdown.Item href="#">Min: {ue.note.min}</Dropdown.Item>
                                                     <Dropdown.Item href="#">Max: {ue.note.max}</Dropdown.Item>
-                                                    <Dropdown.Item href="#">Classement: {ue.rang}/{this.state.bltn.rang.ninscrits}</Dropdown.Item>
+                                                    {ue.hasOwnProperty('rang') &&
+                                                        <Dropdown.Item href="#">Classement: {ue.rang}/{this.state.bltn.rang.ninscrits}</Dropdown.Item>
+                                                    }
                                                 </Dropdown.Menu>
                                             </Dropdown>
                                         </td>
@@ -137,7 +141,9 @@ class Bulletin extends Component {
                                                         <Dropdown.Menu>
                                                             <Dropdown.Item href="#">Min: {mod.note.min}</Dropdown.Item>
                                                             <Dropdown.Item href="#">Max: {mod.note.max}</Dropdown.Item>
-                                                            <Dropdown.Item href="#">Classement: {mod.rang.value}/{this.state.bltn.rang.ninscrits}</Dropdown.Item>
+                                                            {mod.hasOwnProperty('rang') &&
+                                                                <Dropdown.Item href="#">Classement: {mod.rang.value}/{this.state.bltn.rang.ninscrits}</Dropdown.Item>
+                                                            }
                                                             <Dropdown.Item href="#">Coefficient: {mod.coefficient}</Dropdown.Item>
                                                         </Dropdown.Menu>
                                                     </Dropdown>