diff --git a/core/modules/system/src/Form/ModulesListForm.php b/core/modules/system/src/Form/ModulesListForm.php
index 7831c38..c8b0eb7 100644
--- a/core/modules/system/src/Form/ModulesListForm.php
+++ b/core/modules/system/src/Form/ModulesListForm.php
@@ -205,7 +205,7 @@ protected function buildRow(array $modules, Extension $module, $distribution) {
     $row['#required_by'] = array();
 
     $row['name']['#markup'] = $module->info['name'];
-    $row['description']['#markup'] = $this->t($module->info['description']);
+    $row['description']['#markup'] = $this->t(isset($module->info['description']) ? $module->info['description'] : '');
     $row['version']['#markup'] = $module->info['version'];
 
     // Generate link for module's help page. Assume that if a hook_help()