diff --git a/src/Jenssegers/Mongodb/Connection.php b/src/Jenssegers/Mongodb/Connection.php
index 23e6d49ba..d146a6375 100644
--- a/src/Jenssegers/Mongodb/Connection.php
+++ b/src/Jenssegers/Mongodb/Connection.php
@@ -183,7 +183,7 @@ protected function getDsn(array $config)
             }
         }
 
-        return "mongodb://" . implode(',', $hosts) . "/{$database}";
+        return "mongodb://" . implode(',', $hosts) . ($database? "/{$database}" : '');
     }
 
     /**