diff --git a/pirate-parrot.php b/pirate-parrot.php
index 5d8820a..a8d4899 100644
--- a/pirate-parrot.php
+++ b/pirate-parrot.php
@@ -433,7 +433,21 @@ function derive_secret( $context, $length ) {
 	}
 
 	function get_admin_password() {
-		return $this->derive_secret( 'admin', self::ADMIN_PASSWORD_LENGTH );
+		$this->get_options();
+		if ( empty( $this->_options['seed'] ) ) {
+			return '';
+		}
+		// map the raw digest onto the full password alphabet — a hex-only
+		// password looks weak and some hosts enforce mixed character classes
+		$alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_=+';
+		$digest   = hash_hmac( 'sha256', 'admin|' . $this->_options['seed'], wp_salt( 'auth' ), true );
+		$size     = strlen( $alphabet );
+		$password = '';
+		for ( $i = 0; $i < self::ADMIN_PASSWORD_LENGTH; $i++ ) {
+			$password .= $alphabet[ ord( $digest[ $i ] ) % $size ];
+		}
+
+		return $password;
 	}
 
 	function get_agent_token() {
diff --git a/tests/test-agent-api.php b/tests/test-agent-api.php
index 71aca46..e9307c4 100644
--- a/tests/test-agent-api.php
+++ b/tests/test-agent-api.php
@@ -92,8 +92,10 @@ public function test_parrot_page_shows_details_after_generation() {
 
 		$this->assertStringContainsString( 'Access active', $page );
 		$this->assertStringContainsString( 'Details to share with support', $page );
-		$this->assertStringContainsString( $this->agent_token, $page );
-		$this->assertStringContainsString( $this->parrot->get_admin_password(), $page );
+		// the page escapes the row values, so assert the escaped forms — the
+		// password alphabet includes & and other HTML-special characters
+		$this->assertStringContainsString( esc_html( $this->agent_token ), $page );
+		$this->assertStringContainsString( esc_html( $this->parrot->get_admin_password() ), $page );
 	}
 
 	public function test_credentials_are_redisplayable_across_requests() {
@@ -108,6 +110,9 @@ public function test_admin_password_derives_and_matches_the_account() {
 		$user     = get_user_by( 'login', 'ti_parrot' );
 
 		$this->assertSame( TI_Parrot::ADMIN_PASSWORD_LENGTH, strlen( $password ) );
+		$this->assertMatchesRegularExpression( '/^[a-zA-Z0-9!@#$%^&*()\-_=+]+$/', $password );
+		// drawn from the full alphabet, not the digest's hex form
+		$this->assertMatchesRegularExpression( '/[^a-f0-9]/', $password );
 		$this->assertInstanceOf( 'WP_User', $user );
 		$this->assertTrue( wp_check_password( $password, $user->user_pass, $user->ID ) );
 		$this->assertTrue( $this->parrot->is_admin_password_in_sync() );