diff --git a/VERSIONS_HOTLINE/80536 b/VERSIONS_HOTLINE/80536
new file mode 100644
index 0000000000000000000000000000000000000000..320839e6cccfdc2f3d92fbe6a41db9c7d73ed163
--- /dev/null
+++ b/VERSIONS_HOTLINE/80536
@@ -0,0 +1 @@
+ - ticket #80536 : Recherche avancée : prise en compte du mix des axes de recherches avec des facettes dynamiques 
\ No newline at end of file
diff --git a/application/modules/opac/controllers/RechercheController.php b/application/modules/opac/controllers/RechercheController.php
index 86188d06a74153d603f06d076e68f1de217d9d61..03b098d8deded4330a6c7e948e1d0f272ced217b 100644
--- a/application/modules/opac/controllers/RechercheController.php
+++ b/application/modules/opac/controllers/RechercheController.php
@@ -87,16 +87,8 @@ class RechercheController extends ZendAfi_Controller_Action {
       unset($params['q']);
     }
 
-    if($dynamic_facets = $this->_extractDynamicFacets($params) ) {
-      $url = $this->newCriteresRecherches($params)
-                  ->getUrlWithMultifacetsUpdate($dynamic_facets);
-      return $this->_redirect($this->view->url($url,
-                                               null,
-                                               true),
-                              ['prependBase' => false]);
-    }
-
-    if ($multifacets = $this->_extractMultifacetsPost()) {
+    if ($multifacets = array_merge($this->_extractDynamicFacets($params),
+                                   $this->_extractMultifacetsPost())) {
       $url = $this->newCriteresRecherches($params)
                   ->getUrlWithMultifacetsUpdate($multifacets);
       $this->_redirect($this->view->url($url, null, true),
@@ -193,7 +185,7 @@ class RechercheController extends ZendAfi_Controller_Action {
   protected function _extractMultifacetsPost() {
     return $this->_request->isPost()
       ? ZendAfi_View_Helper_Facettes::extractMultiFacets($this->_request->getPost())
-      : null;
+      : [];
   }
 
 
diff --git a/tests/scenarios/AdvancedSearch/AdvancedSearchTest.php b/tests/scenarios/AdvancedSearch/AdvancedSearchTest.php
index 6c03141b37aa2e43b5d749655d78e727a5ef096d..1b5082f4820c544e53e38b341e3922018b704074 100644
--- a/tests/scenarios/AdvancedSearch/AdvancedSearchTest.php
+++ b/tests/scenarios/AdvancedSearch/AdvancedSearchTest.php
@@ -659,10 +659,42 @@ class AdvancedSearchMultiFacetsPostDispatchTest extends Admin_AbstractController
       $_storm_default_to_volatile = true;
 
 
+  public function setUp() {
+      parent::setUp();
+      $this->fixture('Class_CodifThesaurus',
+                   ['id' => 3,
+                    'libelle' => 'Document',
+                    'libelle_facette' => 'Document',
+                    'id_thesaurus' => 'DOCU',
+                    'id_origine' => null,
+                    'code' => 'DOCU',
+                    'rules' => '{"label":" 99$t "}']);
+
+    $this->fixture('Class_CodifThesaurus',
+                   ['id' => 4,
+                    'libelle' => 'SIFI',
+                    'libelle_facette' => 'Science fiction',
+                    'id_thesaurus' => 'DOCU0001',
+                    'id_origine' => null,
+                    'code' => 'DOCU',
+                    'rules' => '{"label":" 99$t "}']);
+  }
+
+
   /** @test */
   public function shouldRedirectToRechercheSimpleMultifacetsA12MinusA42MinusM608() {
     $this->postDispatch('/recherche/simple', ['custom_multifacets_author' => ['A12', 'A42'],
                                               'custom_multifacets_subject' => 'M608']);
     $this->assertRedirectTo('/recherche/simple/multifacets/A12-A42-M608');
   }
+
+
+
+  /** @test */
+  public function mixMultifacetsAndDynamicFacetsShouldMergeFacets() {
+    $this->postDispatch('/recherche/simple',   [ 'custom_multifacets_author' => ['A12', 'A42'],
+                                                 'custom_multifacets_subject' => 'M608',
+                                                 'rech_HDOCU' => 'SIFI']);
+    $this->assertRedirectTo('/recherche/simple/multifacets/HDOCU0001-A12-A42-M608');
+  }
 }
\ No newline at end of file