diff --git a/library/Class/Cosmogramme/Generator/AbstractTask.php b/library/Class/Cosmogramme/Generator/AbstractTask.php
index 79fd9f58aa71a6645871b17f98ee04d5df0b33ec..1d7c57a8cfa5db3672cd14240df83e41400ec14d 100644
--- a/library/Class/Cosmogramme/Generator/AbstractTask.php
+++ b/library/Class/Cosmogramme/Generator/AbstractTask.php
@@ -82,8 +82,10 @@ abstract class Class_Cosmogramme_Generator_AbstractTask {
 
 
   protected function _extract($data) {
-    $data = utf8_encode($data);
-    return explode('|', $data);
+    return explode('|',
+                   mb_detect_encoding($data, 'UTF-8', true)
+                   ? $data
+                   : utf8_encode($data));
   }
 
 
diff --git a/tests/library/Class/Cosmogramme/Integration/PhasePrepareIntegrationsTest.php b/tests/library/Class/Cosmogramme/Integration/PhasePrepareIntegrationsTest.php
index 77df3e6b1277e16eefcb2b4ff06d76ad61cacb91..c6dac7b3f683e5732d165f280dff6457abfce45c 100644
--- a/tests/library/Class/Cosmogramme/Integration/PhasePrepareIntegrationsTest.php
+++ b/tests/library/Class/Cosmogramme/Integration/PhasePrepareIntegrationsTest.php
@@ -348,7 +348,9 @@ class PhasePrepareIntegrationsNanookStandardTest
 
       ->whenCalled('getLibrariesOf')->with('foo')
       ->answers(['BIB_SPS_UTT|ID_SITE|LIBELLE',
-                 '2|My library'])
+                 '2|Ma library',
+                 '6|Ma bibliothèque',
+                 '8|' . iconv('UTF-8', 'ISO-8859-1', 'Ma médiathèque')])
 
       ->whenCalled('getSectionsOf')->with('foo')
       ->answers(['BIB_C_SECTION|CODE|LIBELLE',
@@ -624,6 +626,18 @@ class PhasePrepareIntegrationsNanookStandardTest
   }
 
 
+  /** @test */
+  public function libraryIdSixLabelShouldBeMaBibliothèque() {
+    $this->assertEquals('Ma bibliothèque', Class_Cosmogramme_Generator_FixedIdBib::find(6)->getLibelle());
+  }
+
+
+  /** @test */
+  public function libraryIdEigthLabelShouldBeMaMédiathèque() {
+    $this->assertEquals('Ma médiathèque', Class_Cosmogramme_Generator_FixedIdBib::find(8)->getLibelle());
+  }
+
+
   /** @test */
   public function plannedIntegrationsOfRemovedLibraryShouldBeDeleted() {
     $this->assertEmpty(Class_IntMajAuto::findAllBy(['id_bib' => 3]));