diff --git a/VERSIONS_HOTLINE/182793 b/VERSIONS_HOTLINE/182793
new file mode 100644
index 0000000000000000000000000000000000000000..db1caac31309648a23ec74d8551c3b9868631f6a
--- /dev/null
+++ b/VERSIONS_HOTLINE/182793
@@ -0,0 +1 @@
+ - correctif #182793 : Cosmogramme : Intégration en erreur
\ No newline at end of file
diff --git a/library/Class/FileManager/FileSystem.php b/library/Class/FileManager/FileSystem.php
index 53b673f6d43bdc6ce8586d83caea41726878393c..b596fc4d005edbd3cb1a05e9fa83edbbee03d88e 100644
--- a/library/Class/FileManager/FileSystem.php
+++ b/library/Class/FileManager/FileSystem.php
@@ -265,7 +265,7 @@ class Class_FileManager_FileSystem {
     $used = (int)$parts[0];
     $free = ($total >= $used) ? ($total - $used) : 0;
 
-    $used_percent = sprintf('%.2f',($used / $total) * 100) . '%';
+    $used_percent = sprintf('%.2f', $total ? (($used / $total) * 100) : 0) . '%';
 
     $disk_datas = ['free' => $free,
                    'total' => $total,
@@ -431,4 +431,4 @@ class Class_FileManager_FileSystem {
   public function disableCache() {
     static::$_cache_status = false;
   }
-}
\ No newline at end of file
+}
diff --git a/tests/library/ZendAfi/View/Helper/Status/JsonTest.php b/tests/library/ZendAfi/View/Helper/Status/JsonTest.php
index 6e9cc4e665bd90d180faa92e971ef1e464f0e71f..12b003c95ebe0883d57ffbdb3a4a6e627527c070 100644
--- a/tests/library/ZendAfi/View/Helper/Status/JsonTest.php
+++ b/tests/library/ZendAfi/View/Helper/Status/JsonTest.php
@@ -26,10 +26,12 @@ class ZendAfi_View_Helper_Status_JsonTest extends ZendAfi_View_Helper_Status_Tes
     $_report,
     $_helper_class = 'ZendAfi_View_Helper_Status_Json';
 
-
   public function setUp() {
     parent::setUp();
 
+    /* hotline : https://forge.afi-sa.net/issues/182793 */
+    Class_AdminVar::set('ALLOWED_DISK_SPACE', 0);
+
     $this->_report = json_decode($this->_helper->status_Json(), true);
   }