diff --git a/src/application/model/block.php b/src/application/model/block.php
index 02ee851..5f403e6 100644
--- a/src/application/model/block.php
+++ b/src/application/model/block.php
@@ -26,7 +26,7 @@ class ModelBlock extends Model {
 
       $query->execute([$hash, $time]);
 
-      $this->_db->lastInsertId();
+      return $this->_db->lastInsertId();
 
     } catch (PDOException $e) {
 
diff --git a/src/application/model/user.php b/src/application/model/user.php
index f9da70f..c32a8b4 100644
--- a/src/application/model/user.php
+++ b/src/application/model/user.php
@@ -28,7 +28,7 @@ class ModelUser extends Model {
 
       $query->execute([$blockId, $userName]);
 
-      $this->_db->lastInsertId();
+      return $this->_db->lastInsertId();
 
     } catch (PDOException $e) {