diff --git a/src/mibew/libs/classes/Mibew/Database.php b/src/mibew/libs/classes/Mibew/Database.php
index c2508265..77bee3ef 100644
--- a/src/mibew/libs/classes/Mibew/Database.php
+++ b/src/mibew/libs/classes/Mibew/Database.php
@@ -101,7 +101,7 @@ class Database
      * Controls if exception must be processed into class or thrown
      * @var boolean
      */
-    protected $throwExceptions = false;
+    protected $useExceptions = false;
 
     /**
      * Get instance of Database class.
@@ -209,14 +209,37 @@ class Database
      * If called without arguments just return previous value without changing
      * anything.
      *
-     * @param boolean $value Value that should be set. This argument is optional
+     * There is a typo in the method name. One should use
+     * {@link Database::throwExceptions()} method instead.
+     *
+     * @deprecated since version 2.0.0
+     * @param boolean|null $value Value that should be set. This argument is
+     * optional and can be skipped (or set to null) to keep the internal value
+     * unchanged.
      * @return bool Previous value
      */
-    public function throwExeptions()
+    public function throwExeptions($value = null)
     {
-        $last_value = $this->throwExceptions;
-        if (func_num_args() > 0) {
-            $this->throwExceptions = func_get_arg(0);
+        return $this->throwExceptions($value);
+    }
+
+    /**
+     * Set if exceptions must be process into the class or thrown and return
+     * previous value.
+     *
+     * If called without arguments just return previous value without changing
+     * anything.
+     *
+     * @param boolean|null $value Value that should be set. This argument is
+     * optional and can be skipped (or set to null) to keep the internal value
+     * unchanged.
+     * @return bool Previous value
+     */
+    public function throwExceptions($value = null)
+    {
+        $last_value = $this->useExceptions;
+        if (!is_null($value)) {
+            $this->useExceptions = $value;
         }
 
         return $last_value;
@@ -400,7 +423,7 @@ class Database
      */
     protected function handleError(\Exception $e)
     {
-        if ($this->throwExceptions) {
+        if ($this->useExceptions) {
             throw $e;
         }
         die($e->getMessage());
diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Installer.php b/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
index 2a608e6a..99e38ad2 100644
--- a/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
@@ -787,7 +787,7 @@ class Installer
         }
 
         $db = Database::getInstance();
-        $db->throwExeptions(true);
+        $db->throwExceptions(true);
 
         return $db;
     }
diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
index 1172d1d0..9cd591e7 100644
--- a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
@@ -185,7 +185,7 @@ class Updater
     {
         try {
             $db = Database::getInstance();
-            $db->throwExeptions(true);
+            $db->throwExceptions(true);
 
             return $db;
         } catch (\Exception $e) {
diff --git a/src/mibew/libs/statistics.php b/src/mibew/libs/statistics.php
index 2e0dade3..8d33e8b8 100644
--- a/src/mibew/libs/statistics.php
+++ b/src/mibew/libs/statistics.php
@@ -164,7 +164,7 @@ function calculate_thread_statistics()
 {
     // Prepare database
     $db = Database::getInstance();
-    $db_throw_exceptions = $db->throwExeptions(true);
+    $db_throw_exceptions = $db->throwExceptions(true);
 
     try {
         // Start transaction
@@ -379,7 +379,7 @@ function calculate_thread_statistics()
         $db->query('ROLLBACK');
 
         // Set throw exceptions back
-        $db->throwExeptions($db_throw_exceptions);
+        $db->throwExceptions($db_throw_exceptions);
 
         return;
     }
@@ -388,7 +388,7 @@ function calculate_thread_statistics()
     $db->query('COMMIT');
 
     // Set throw exceptions back
-    $db->throwExeptions($db_throw_exceptions);
+    $db->throwExceptions($db_throw_exceptions);
 }
 
 /**
@@ -398,7 +398,7 @@ function calculate_operator_statistics()
 {
     // Prepare database
     $db = Database::getInstance();
-    $db_throw_exceptions = $db->throwExeptions(true);
+    $db_throw_exceptions = $db->throwExceptions(true);
 
     try {
         // Start transaction
@@ -536,7 +536,7 @@ function calculate_operator_statistics()
         $db->query('ROLLBACK');
 
         // Set throw exceptions back
-        $db->throwExeptions($db_throw_exceptions);
+        $db->throwExceptions($db_throw_exceptions);
 
         return;
     }
@@ -545,7 +545,7 @@ function calculate_operator_statistics()
     $db->query('COMMIT');
 
     // Set throw exceptions back
-    $db->throwExeptions($db_throw_exceptions);
+    $db->throwExceptions($db_throw_exceptions);
 }
 
 /**
@@ -555,7 +555,7 @@ function calculate_page_statistics()
 {
     // Prepare database
     $db = Database::getInstance();
-    $db_throw_exceptions = $db->throwExeptions(true);
+    $db_throw_exceptions = $db->throwExceptions(true);
 
     try {
         // Start transaction
@@ -791,7 +791,7 @@ function calculate_page_statistics()
         $db->query('ROLLBACK');
 
         // Set throw exceptions back
-        $db->throwExeptions($db_throw_exceptions);
+        $db->throwExceptions($db_throw_exceptions);
 
         return;
     }
@@ -800,7 +800,7 @@ function calculate_page_statistics()
     $db->query('COMMIT');
 
     // Set throw exceptions back
-    $db->throwExeptions($db_throw_exceptions);
+    $db->throwExceptions($db_throw_exceptions);
 }
 
 /**