diff --git a/src/Database/TenantDatabaseManagers/SQLiteDatabaseManager.php b/src/Database/TenantDatabaseManagers/SQLiteDatabaseManager.php
index c2c55d87..9df56ccb 100644
--- a/src/Database/TenantDatabaseManagers/SQLiteDatabaseManager.php
+++ b/src/Database/TenantDatabaseManagers/SQLiteDatabaseManager.php
@@ -155,6 +155,6 @@ class SQLiteDatabaseManager implements TenantDatabaseManager
 
     public static function isInMemory(string $name): bool
     {
-        return $name === ':memory:' || str_contains($name, '_tenancy_inmemory_');
+        return $name === ':memory:' || str_starts_with($name, 'file:_tenancy_inmemory_');
     }
 }
diff --git a/tests/TenantDatabaseManagerTest.php b/tests/TenantDatabaseManagerTest.php
index dfceb48a..0a51bd1d 100644
--- a/tests/TenantDatabaseManagerTest.php
+++ b/tests/TenantDatabaseManagerTest.php
@@ -615,7 +615,7 @@ test('database managers validate parameters that cannot be bound', function ($dr
     }
 })->with('database_managers');
 
-test('sqlite database manager validates database filenames', function () {
+test('sqlite database manager validates database names', function () {
     $manager = app(SQLiteDatabaseManager::class);
 
     // Dots are allowed in database names
@@ -630,9 +630,13 @@ test('sqlite database manager validates database filenames', function () {
     expect(fn () => $manager->databaseExists(''))
         ->toThrow(InvalidArgumentException::class);
 
-    // In-memory database names aren't validated
-    expect(fn () => $manager->databaseExists('../_tenancy_inmemory_'))
+    // In-memory database names have to start with 'file:_tenancy_inmemory_'
+    expect(fn () => $manager->databaseExists('file:_tenancy_inmemory_123?mode=memory&cache=shared'))
         ->not()->toThrow(InvalidArgumentException::class);
+
+    // Doesn't start with 'file:_tenancy_inmemory_', not considered an in-memory database, filename validation applies
+    expect(fn () => $manager->databaseExists('../_tenancy_inmemory_'))
+        ->toThrow(InvalidArgumentException::class);
 });
 
 // Datasets