diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index 7ef2613..262a4ed 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -31,7 +31,7 @@ jobs:
       run: |
         docker run --name $container_name -d ${{ steps.build.outputs.image }}
       env:
-        container_name: adminer_smoke 
+        container_name: adminer_smoke
     - name: Verify a restart works.
       if: ${{ ! contains(steps.build.outputs.image, 'fastcgi') }}
       run: |
diff --git a/4/fastcgi/index.php b/4/fastcgi/index.php
index a48629f..82056f0 100644
--- a/4/fastcgi/index.php
+++ b/4/fastcgi/index.php
@@ -10,7 +10,37 @@ function _callParent($function, $args) {
 					$return = \Adminer::loginForm();
 					$form = ob_get_clean();
 
-					echo str_replace('name="auth[server]" value="" title="hostname[:port]"', 'name="auth[server]" value="'.($_ENV['ADMINER_DEFAULT_SERVER'] ?: 'db').'" title="hostname[:port]"', $form);
+					$form = str_replace(
+						'name="auth[server]" value="" title="hostname[:port]"',
+						'name="auth[server]" value="'.(getenv('ADMINER_DEFAULT_SERVER') ?: 'db').'" title="hostname[:port]"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[username]" id="username" value=""',
+						'name="auth[username]" value="'.(getenv('ADMINER_DEFAULT_USER') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[password]"',
+						'name="auth[password]" value="'.(getenv('ADMINER_DEFAULT_PASSWORD') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[db]"',
+						'name="auth[db]" value="'.(getenv('ADMINER_DEFAULT_DB') ?: '').'"',
+						$form
+					);
+
+					$driver = $_ENV['ADMINER_DEFAULT_DRIVER'] ?? null;
+					$script = '';
+					if ($driver !== null && $driver !== '') {
+						$script = '<script>(function(){var f=document;var el=f.querySelector("[name='."\"auth[driver]\"".']"); if(el){el.value=' . json_encode($driver) . ';}})();</script>';
+					}
+
+					echo $form . $script;
 
 					return $return;
 				}
diff --git a/4/index.php b/4/index.php
index a48629f..82056f0 100644
--- a/4/index.php
+++ b/4/index.php
@@ -10,7 +10,37 @@ function _callParent($function, $args) {
 					$return = \Adminer::loginForm();
 					$form = ob_get_clean();
 
-					echo str_replace('name="auth[server]" value="" title="hostname[:port]"', 'name="auth[server]" value="'.($_ENV['ADMINER_DEFAULT_SERVER'] ?: 'db').'" title="hostname[:port]"', $form);
+					$form = str_replace(
+						'name="auth[server]" value="" title="hostname[:port]"',
+						'name="auth[server]" value="'.(getenv('ADMINER_DEFAULT_SERVER') ?: 'db').'" title="hostname[:port]"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[username]" id="username" value=""',
+						'name="auth[username]" value="'.(getenv('ADMINER_DEFAULT_USER') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[password]"',
+						'name="auth[password]" value="'.(getenv('ADMINER_DEFAULT_PASSWORD') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[db]"',
+						'name="auth[db]" value="'.(getenv('ADMINER_DEFAULT_DB') ?: '').'"',
+						$form
+					);
+
+					$driver = $_ENV['ADMINER_DEFAULT_DRIVER'] ?? null;
+					$script = '';
+					if ($driver !== null && $driver !== '') {
+						$script = '<script>(function(){var f=document;var el=f.querySelector("[name='."\"auth[driver]\"".']"); if(el){el.value=' . json_encode($driver) . ';}})();</script>';
+					}
+
+					echo $form . $script;
 
 					return $return;
 				}
diff --git a/5/fastcgi/index.php b/5/fastcgi/index.php
index f336caf..71f3451 100644
--- a/5/fastcgi/index.php
+++ b/5/fastcgi/index.php
@@ -12,7 +12,7 @@ public function __construct(
 			public function loginFormField(...$args) {
 				return (function (...$args) {
 					$field = $this->loginFormField(...$args);
-		
+
 					return \str_replace(
 						'name="auth[server]" value="" title="hostname[:port]"',
 						\sprintf('name="auth[server]" value="%s" title="hostname[:port]"', ($_ENV['ADMINER_DEFAULT_SERVER'] ?: 'db')),
@@ -20,6 +20,47 @@ public function loginFormField(...$args) {
 					);
 				})->call($this->adminer, ...$args);
 			}
+
+			public function loginForm(...$args) {
+				return (function (...$args) {
+					ob_start();
+					$return = $this->loginForm(...$args);
+					$form = ob_get_clean();
+
+					$form = str_replace(
+						'name="auth[server]" value="" title="hostname[:port]"',
+						'name="auth[server]" value="'.(getenv('ADMINER_DEFAULT_SERVER') ?: 'db').'" title="hostname[:port]"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[username]" id="username" value=""',
+						'name="auth[username]" value="'.(getenv('ADMINER_DEFAULT_USER') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[password]"',
+						'name="auth[password]" value="'.(getenv('ADMINER_DEFAULT_PASSWORD') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[db]"',
+						'name="auth[db]" value="'.(getenv('ADMINER_DEFAULT_DB') ?: '').'"',
+						$form
+					);
+
+					$driver = $_ENV['ADMINER_DEFAULT_DRIVER'] ?? null;
+					$script = '';
+					if ($driver !== null && $driver !== '') {
+						$script = '<script>(function(){var f=document;var el=f.querySelector("[name='."\"auth[driver]\"".']"); if(el){el.value=' . json_encode($driver) . ';}})();</script>';
+					}
+
+					echo $form . $script;
+					return $return;
+				})->call($this->adminer, ...$args);
+			}
 		}
 
 		$plugins = [];
diff --git a/5/index.php b/5/index.php
index f336caf..71f3451 100644
--- a/5/index.php
+++ b/5/index.php
@@ -12,7 +12,7 @@ public function __construct(
 			public function loginFormField(...$args) {
 				return (function (...$args) {
 					$field = $this->loginFormField(...$args);
-		
+
 					return \str_replace(
 						'name="auth[server]" value="" title="hostname[:port]"',
 						\sprintf('name="auth[server]" value="%s" title="hostname[:port]"', ($_ENV['ADMINER_DEFAULT_SERVER'] ?: 'db')),
@@ -20,6 +20,47 @@ public function loginFormField(...$args) {
 					);
 				})->call($this->adminer, ...$args);
 			}
+
+			public function loginForm(...$args) {
+				return (function (...$args) {
+					ob_start();
+					$return = $this->loginForm(...$args);
+					$form = ob_get_clean();
+
+					$form = str_replace(
+						'name="auth[server]" value="" title="hostname[:port]"',
+						'name="auth[server]" value="'.(getenv('ADMINER_DEFAULT_SERVER') ?: 'db').'" title="hostname[:port]"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[username]" id="username" value=""',
+						'name="auth[username]" value="'.(getenv('ADMINER_DEFAULT_USER') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[password]"',
+						'name="auth[password]" value="'.(getenv('ADMINER_DEFAULT_PASSWORD') ?: '').'"',
+						$form
+					);
+
+					$form = str_replace(
+						'name="auth[db]"',
+						'name="auth[db]" value="'.(getenv('ADMINER_DEFAULT_DB') ?: '').'"',
+						$form
+					);
+
+					$driver = $_ENV['ADMINER_DEFAULT_DRIVER'] ?? null;
+					$script = '';
+					if ($driver !== null && $driver !== '') {
+						$script = '<script>(function(){var f=document;var el=f.querySelector("[name='."\"auth[driver]\"".']"); if(el){el.value=' . json_encode($driver) . ';}})();</script>';
+					}
+
+					echo $form . $script;
+					return $return;
+				})->call($this->adminer, ...$args);
+			}
 		}
 
 		$plugins = [];