diff --git a/cosmogramme/cosmozend/VERSIONS_HOTLINE/89832 b/cosmogramme/cosmozend/VERSIONS_HOTLINE/89832
new file mode 100644
index 0000000000000000000000000000000000000000..1bb6b801c6b446b8298157890ef8874d8b991e4c
--- /dev/null
+++ b/cosmogramme/cosmozend/VERSIONS_HOTLINE/89832
@@ -0,0 +1 @@
+ - ticket #89832 : Autorisation d'affichage des vignettes issues de ADAV précisées en unimarc des notices
\ No newline at end of file
diff --git a/library/ZendAfi/Validate/VignetteUrl.php b/library/ZendAfi/Validate/VignetteUrl.php
index 96782c330de74ce47cc1ded07a3fae2bd54f25fc..c13fcfd7a05bdf5d4440fe7f258da96b39f93fdc 100644
--- a/library/ZendAfi/Validate/VignetteUrl.php
+++ b/library/ZendAfi/Validate/VignetteUrl.php
@@ -19,28 +19,24 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
  */
 class ZendAfi_Validate_VignetteUrl extends Zend_Validate_Abstract {
-  const INVALID_EXTENSION = 'invalidExtension';
+  const INVALID_URL_FORMAT = 'invalidURLFormat';
 
-  protected $_messageTemplates = array(self::INVALID_EXTENSION   => "'%value%' n'est pas une extension de type .png, .jpeg, .jpg, .gif.");
+  protected
+    $_messageTemplates = [self::INVALID_URL_FORMAT   => "'%value%' n'est pas une URL de vignette correspondant aux formats acceptés."],
+    $_valid_url_patterns = ['.+\.(png|jpg|jpeg|gif)$',
+                            '\/cgi-bin\/koha\/opac-image\.pl\?thumbnail=',
+                            'www\.adav-assoc\.com\/.*\/GetImage\/'
+    ];
 
-  public function isValid($value) {
-    if ($this->_isKohaThumbnail($value))
-      return true;
-
-    $parts = explode('.', $value);
-    $extension = end($parts);
-    $this->_setValue($extension);
 
-    if (!in_array(strtolower($extension), ['png', 'jpg', 'jpeg', 'gif'])) {
-      $this->_error(self::INVALID_EXTENSION);
-      return false;
+  public function isValid($value) {
+    foreach($this->_valid_url_patterns as $pattern) {
+      if (preg_match('/' . $pattern . '/i', $value))
+        return true;
     }
-    return true;
-  }
-
 
-  protected function _isKohaThumbnail($value) {
-    return preg_match('|\/cgi-bin\/koha\/opac-image\.pl\?thumbnail=|', $value);
+    $this->_error(self::INVALID_URL_FORMAT);
+    return false;
   }
 }
 ?>
\ No newline at end of file
diff --git a/tests/library/ZendAfi/View/Helper/Notice/VignetteTest.php b/tests/library/ZendAfi/View/Helper/Notice/VignetteTest.php
index 21e9853910ee893fe2e63449917e4f3f553510ba..2ac8be2e7c1bbd8f75b5726bcd9f920674000c8b 100644
--- a/tests/library/ZendAfi/View/Helper/Notice/VignetteTest.php
+++ b/tests/library/ZendAfi/View/Helper/Notice/VignetteTest.php
@@ -76,19 +76,47 @@ class ZendAfi_View_Helper_Notice_VignetteNoThumbnailTest
   }
 
 
-  /** @test */
-  public function withThumbnailZoneAndUrlInUnimarcAndInvalidUrlViewnoticeShouldNotContainsThumbnailButBlank() {
-    $record = $this->_setupRecordWithThumbnailUrl('https://bloub.org/7364?zork=glub');
+  public function invalidThumbnailUrls() {
+    return [
+            ['https://bloub.org/7364?zork=glub'],
+            ['http://boom.org/index.html'],
+            ['http://image-cache.org/34.jpg.2'],
+    ];
+  }
+
+
+  /**
+   * @dataProvider invalidThumbnailUrls
+   * @test
+   */
+  public function withThumbnailZoneAndInvalidUrlInUnimarcViewnoticeShouldNotContainsThumbnailButBlank($url) {
+    $record = $this->_setupRecordWithThumbnailUrl($url);
     $html = $this->_helper->notice_Vignette($record, [], 'view');
     $this->assertXPath($html, '//img[contains(@src, "public/admin/images/blank.gif")]', $html);
   }
 
 
-  /** @test */
-  public function withThumbnailZoneAndKohaStyleUrlInUnimarcViewnoticeShouldContainsThumbnail() {
-    $record = $this->_setupRecordWithThumbnailUrl('https://koha.somewhere.com/cgi-bin/koha/opac-image.pl?thumbnail=1&biblionumber=261990');
+  public function validThumbnailUrls() {
+    return [
+            ['https://koha.somewhere.com/cgi-bin/koha/opac-image.pl?thumbnail=1&biblionumber=261990'],
+            ['http://www.adav-assoc.com/4DACTION/GetImage/207155'],
+            ['http://image-cache.org/34.png'],
+            ['http://image-cache.org/34.gif'],
+            ['http://image-cache.org/34.jpeg'],
+            ['http://image-cache.org/34.jPg'],
+            ['http://www.adAv-Assoc.com/4DACTION/GetImage/207155']
+    ];
+  }
+
+
+  /**
+   * @dataProvider validThumbnailUrls
+   * @test
+   */
+  public function withThumbnailZoneAndValidUrlInUnimarcViewnoticeShouldContainsThumbnail($url) {
+    $record = $this->_setupRecordWithThumbnailUrl($url);
     $html = $this->_helper->notice_Vignette($record, [], 'view');
-    $this->assertXPath($html, '//img[@src="https://koha.somewhere.com/cgi-bin/koha/opac-image.pl?thumbnail=1&biblionumber=261990"]', $html);
+    $this->assertXPath($html, '//img[@src="' . $url . '"]', $html);
   }