diff --git a/src/Tenancy.php b/src/Tenancy.php
index 687dbd6b..03df9767 100644
--- a/src/Tenancy.php
+++ b/src/Tenancy.php
@@ -93,13 +93,16 @@ class Tenancy
      */
     public function runForMultiple($tenants, callable $callback)
     {
+        // Convert null to all tenants
+        $tenants = is_null($tenants) ? $this->model()->cursor() : $tenants;
+
         // Convert incrementing int ids to strings
         $tenants = is_int($tenants) ? (string) $tenants : $tenants;
 
         // Wrap string in array
         $tenants = is_string($tenants) ? [$tenants] : $tenants;
 
-        // Use all tenants if $tenants is falsy
+        // Use all tenants if $tenants is falsey
         $tenants = $tenants ?: $this->model()->cursor();
 
         $originalTenant = $this->tenant;
diff --git a/tests/TenantDatabaseManagerTest.php b/tests/TenantDatabaseManagerTest.php
index f3f99335..cce09598 100644
--- a/tests/TenantDatabaseManagerTest.php
+++ b/tests/TenantDatabaseManagerTest.php
@@ -213,4 +213,10 @@ class TenantDatabaseManagerTest extends TestCase
         $manager->setConnection('mysql2');
         $this->assertTrue($manager->databaseExists($name));
     }
+
+    /** @test */
+    public function path_used_by_sqlite_manager_can_be_customized()
+    {
+        
+    }
 }