diff --git a/search_api.module b/search_api.module
index 155f6db..61385c5 100644
--- a/search_api.module
+++ b/search_api.module
@@ -784,7 +784,7 @@ function search_api_features_export_alter(&$export) {
  * @see hook_search_api_item_type_info()
  */
 function search_api_system_info_alter(&$info, $file, $type) {
-  if ($type != 'module' || $file->name == 'search_api') {
+  if ($type != 'module' || $file->name == 'search_api' || !module_exists($file->name)) {
     return;
   }
   // Check for defined item types.