diff --git a/phalcon/Session/Adapter/AbstractAdapter.zep b/phalcon/Session/Adapter/AbstractAdapter.zep
index 70b9c844464..b6f4b876fd5 100644
--- a/phalcon/Session/Adapter/AbstractAdapter.zep
+++ b/phalcon/Session/Adapter/AbstractAdapter.zep
@@ -46,7 +46,7 @@ abstract class AbstractAdapter implements SessionHandlerInterface
      * @param int $maxlifetime
      * @return false|int
      */
-    public function gc(int maxlifetime) -> int|bool
+    public function gc(int maxlifetime) -> int|false
     {
         return true;
     }
diff --git a/phalcon/Session/Adapter/Noop.zep b/phalcon/Session/Adapter/Noop.zep
index 351f6380d34..d9da6b9259e 100644
--- a/phalcon/Session/Adapter/Noop.zep
+++ b/phalcon/Session/Adapter/Noop.zep
@@ -99,7 +99,7 @@ class Noop implements SessionHandlerInterface
      * @param int $maxlifetime
      * @return false|int
      */
-    public function gc(int maxlifetime) -> int|bool
+    public function gc(int maxlifetime) -> int|false
     {
         return true;
     }
diff --git a/phalcon/Session/Adapter/Stream.zep b/phalcon/Session/Adapter/Stream.zep
index a0cb4aa584b..f5f60ba661e 100644
--- a/phalcon/Session/Adapter/Stream.zep
+++ b/phalcon/Session/Adapter/Stream.zep
@@ -93,7 +93,7 @@ class Stream extends Noop
      * @param int $maxlifetime
      * @return false|int
      */
-    public function gc(int maxlifetime) -> int|bool
+    public function gc(int maxlifetime) -> int|false
     {
         var file, pattern, time;