diff --git a/src/Bridges/SecurityHttp/CookieStorage.php b/src/Bridges/SecurityHttp/CookieStorage.php
index 0ee6e8a2..8b36db07 100644
--- a/src/Bridges/SecurityHttp/CookieStorage.php
+++ b/src/Bridges/SecurityHttp/CookieStorage.php
@@ -41,7 +41,7 @@ final class CookieStorage implements Nette\Security\UserStorage
 	/** @var string */
 	private $cookieSameSite = 'Lax';
 
-	/** @var ?string */
+	/** @var string|int|null */
 	private $cookieExpiration;
 
 
@@ -97,7 +97,10 @@ public function getState(): array
 	}
 
 
-	public function setExpiration(?string $expire, bool $clearIdentity): void
+	/**
+	 * @param string|int|null $expire
+	 */
+	public function setExpiration($expire, bool $clearIdentity): void
 	{
 		$this->cookieExpiration = $expire;
 	}
diff --git a/src/Bridges/SecurityHttp/SessionStorage.php b/src/Bridges/SecurityHttp/SessionStorage.php
index 87f77efa..eba0c490 100644
--- a/src/Bridges/SecurityHttp/SessionStorage.php
+++ b/src/Bridges/SecurityHttp/SessionStorage.php
@@ -82,7 +82,10 @@ public function getState(): array
 	}
 
 
-	public function setExpiration(?string $time, bool $clearIdentity = false): void
+	/**
+	 * @param string|int|null $time
+	 */
+	public function setExpiration($time, bool $clearIdentity = false): void
 	{
 		$this->expireTime = $time ? (int) Nette\Utils\DateTime::from($time)->format('U') : null;
 		$this->expireIdentity = $clearIdentity;
diff --git a/src/Security/UserStorage.php b/src/Security/UserStorage.php
index 7abedac4..868c395a 100644
--- a/src/Security/UserStorage.php
+++ b/src/Security/UserStorage.php
@@ -38,6 +38,7 @@ function getState(): array;
 
 	/**
 	 * Enables log out from the persistent storage after inactivity (like '20 minutes').
+	 * @param string|int|null $expire
 	 */
-	function setExpiration(?string $expire, bool $clearIdentity): void;
+	function setExpiration($expire, bool $clearIdentity): void;
 }
diff --git a/tests/Security/MockUserStorage.php b/tests/Security/MockUserStorage.php
index a162ee01..94c134cc 100644
--- a/tests/Security/MockUserStorage.php
+++ b/tests/Security/MockUserStorage.php
@@ -29,7 +29,10 @@ public function getState(): array
 	}
 
 
-	public function setExpiration(?string $expire, bool $clearIdentity): void
+	/**
+	 * @param string|int|null $expire
+	 */
+	public function setExpiration($expire, bool $clearIdentity): void
 	{
 	}
 }