diff --git a/src/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPass.php b/src/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPass.php
index 52e8bd4..c1efbf1 100644
--- a/src/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPass.php
+++ b/src/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPass.php
@@ -48,11 +48,7 @@ public function process(ContainerBuilder $container): void
             if ($enableStaticConnectionsConfig === true
                 || isset($enableStaticConnectionsConfig[$name]) && $enableStaticConnectionsConfig[$name] === true
             ) {
-                $connectionDefinition = $container->getDefinition(sprintf('doctrine.dbal.%s_connection', $name));
-                $connectionOptions = $connectionDefinition->getArgument(0);
-                $connectionOptions['dama.connection_name'] = $name;
-                $connectionOptions['dama.keep_static'] = true;
-                $connectionDefinition->replaceArgument(0, $connectionOptions);
+                $this->addConnectionOptions($container, $name);
             }
 
             foreach ($cacheNames as $cacheName) {
@@ -75,4 +71,12 @@ private function validateConnectionNames(array $configNames, array $existingName
             throw new \InvalidArgumentException(sprintf('Unknown doctrine dbal connection name(s): %s.', implode(', ', $unknown)));
         }
     }
+
+    private function addConnectionOptions(ContainerBuilder $container, string $name): void
+    {
+        $connectionDefinition = $container->getDefinition(sprintf('doctrine.dbal.%s_connection', $name));
+        $connectionOptions = $connectionDefinition->getArgument(0);
+        $connectionOptions['dama.keep_static'] = true;
+        $connectionDefinition->replaceArgument(0, $connectionOptions);
+    }
 }
diff --git a/src/DAMA/DoctrineTestBundle/Doctrine/DBAL/StaticDriver.php b/src/DAMA/DoctrineTestBundle/Doctrine/DBAL/StaticDriver.php
index 26ff383..c1efcd5 100644
--- a/src/DAMA/DoctrineTestBundle/Doctrine/DBAL/StaticDriver.php
+++ b/src/DAMA/DoctrineTestBundle/Doctrine/DBAL/StaticDriver.php
@@ -45,10 +45,7 @@ public function __construct(Driver $underlyingDriver, AbstractPlatform $platform
     public function connect(array $params, $username = null, $password = null, array $driverOptions = []): Connection
     {
         if (self::$keepStaticConnections) {
-            if (!isset($params['dama.connection_name'])) {
-                throw new \InvalidArgumentException('Did not find key "dama.connection_name" inside connection params.');
-            }
-            $key = $params['dama.connection_name'];
+            $key = sha1(serialize($params).$username.$password);
 
             if (!isset(self::$connections[$key])) {
                 self::$connections[$key] = $this->underlyingDriver->connect($params, $username, $password, $driverOptions);
diff --git a/tests/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPassTest.php b/tests/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPassTest.php
index 5378f1b..dced2de 100644
--- a/tests/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPassTest.php
+++ b/tests/DAMA/DoctrineTestBundle/DependencyInjection/DoctrineTestCompilerPassTest.php
@@ -72,7 +72,6 @@ function (ContainerBuilder $containerBuilder): void {
                 }
 
                 $this->assertSame([
-                    'dama.connection_name' => 'a',
                     'dama.keep_static' => true,
                 ], $containerBuilder->getDefinition('doctrine.dbal.a_connection')->getArgument(0));
             },
@@ -103,14 +102,12 @@ function (ContainerBuilder $containerBuilder): void {
                 $this->assertTrue($containerBuilder->hasDefinition('dama.doctrine.dbal.connection_factory'));
 
                 $this->assertSame([
-                    'dama.connection_name' => 'a',
                     'dama.keep_static' => true,
                 ], $containerBuilder->getDefinition('doctrine.dbal.a_connection')->getArgument(0));
 
                 $this->assertSame([], $containerBuilder->getDefinition('doctrine.dbal.b_connection')->getArgument(0));
 
                 $this->assertSame([
-                    'dama.connection_name' => 'c',
                     'dama.keep_static' => true,
                 ], $containerBuilder->getDefinition('doctrine.dbal.c_connection')->getArgument(0));
             },