diff --git a/library/Icinga/File/Ini/IniEditor.php b/library/Icinga/File/Ini/IniEditor.php
index 6ee19fa74..e1a7984d8 100644
--- a/library/Icinga/File/Ini/IniEditor.php
+++ b/library/Icinga/File/Ini/IniEditor.php
@@ -433,6 +433,9 @@ class IniEditor
      */
     private function formatKey(array $key)
     {
+        foreach ($key as $i => $separator) {
+            $key[$i] = $this->sanitize($separator);
+        }
         return implode($this->nestSeparator, $key);
     }
 
@@ -599,7 +602,7 @@ class IniEditor
     }
 
     /**
-     * Prepare a value for INe
+     * Prepare a value for INI
      *
      * @param $value    The value of the string
      *
@@ -613,10 +616,12 @@ class IniEditor
             return $value;
         } elseif (is_bool($value)) {
             return ($value ? 'true' : 'false');
-        } elseif (strpos($value, '"') === false) {
-            return '"' . $value .  '"';
-        } else {
-            return '"' . str_replace('"', '\"', $value) . '"';
         }
+        return '"' . str_replace('"', '\"', $this->sanitize($value)) . '"';
+    }
+
+    private function sanitize($value)
+    {
+        return str_replace('\n', '', $value);
     }
 }
diff --git a/library/Icinga/File/Ini/IniWriter.php b/library/Icinga/File/Ini/IniWriter.php
index 0db8be139..c9b4b3c20 100644
--- a/library/Icinga/File/Ini/IniWriter.php
+++ b/library/Icinga/File/Ini/IniWriter.php
@@ -44,45 +44,6 @@ class IniWriter extends Zend_Config_Writer_FileAbstract
         parent::__construct($options);
     }
 
-    /**
-     * Find all keys containing dots and convert it to a nested configuration
-     *
-     * Ensure that configurations with the same ini representation the have
-     * similarly nested Zend_Config objects. The configuration may be altered
-     * during that process.
-     *
-     * @param   Zend_Config $config   The configuration to normalize
-     * @return  Zend_Config           The normalized config
-     */
-    private function normalizeKeys(Zend_Config $config)
-    {
-        foreach ($config as $key => $value) {
-            if (preg_match('/\./', $key) > 0) {
-                // remove old key
-                unset ($config->$key);
-
-                // insert new key
-                $nests = explode('.', $key);
-                $current = $config;
-                $i = 0;
-                for (; $i < count($nests) - 1; $i++) {
-                    if (! isset($current->{$nests[$i]})) {
-                        // configuration key doesn't exist, create a new nesting level
-                        $current->{$nests[$i]} = new Zend_Config (array(), true);
-                    }
-                    // move to next nesting level
-                    $current = $current->{$nests[$i]};
-                }
-                // reached last nesting level, insert value
-                $current->{$nests[$i]} = $value;
-            }
-            if ($value instanceof Zend_Config) {
-                $config->$key = $this->normalizeKeys ($value);
-            }
-        }
-        return $config;
-    }
-
     /**
      * Render the Zend_Config into a config file string
      *
@@ -96,16 +57,6 @@ class IniWriter extends Zend_Config_Writer_FileAbstract
             $oldconfig = new Zend_Config(array());
         }
 
-        // create an internal copy of the given configuration, since the user of this class
-        // won't expect that a configuration will ever be altered during
-        // the rendering process.
-        $extends = $this->_config->getExtends();
-        $this->_config = new Zend_Config ($this->_config->toArray(), true);
-        foreach ($extends as $extending => $extended) {
-           $this->_config->setExtend($extending, $extended);
-        }
-        $this->_config = $this->normalizeKeys($this->_config);
-
         $newconfig = $this->_config;
         $editor = new IniEditor(file_get_contents($this->_filename), $this->options);
         $this->diffConfigs($oldconfig, $newconfig, $editor);
diff --git a/test/php/library/Icinga/File/Ini/IniWriterTest.php b/test/php/library/Icinga/File/Ini/IniWriterTest.php
index 53bd750d8..1b9580fb3 100644
--- a/test/php/library/Icinga/File/Ini/IniWriterTest.php
+++ b/test/php/library/Icinga/File/Ini/IniWriterTest.php
@@ -29,6 +29,30 @@ class IniWriterTest extends BaseTestCase
         unlink($this->tempFile2);
     }
 
+    public function testWhetherPointInSectionIsNotNormalized()
+    {
+        $writer = new IniWriter(
+            array(
+                'config' => new Config(
+                        array(
+                            'section' => array(
+                                'foo.bar' => 1337
+                            ),
+                            'section.with.multiple.dots' => array(
+                                'some more' => array(
+                                    'nested stuff' => 'With more values'
+                                )
+                            )
+                        )
+                    ),
+                'filename' => $this->tempFile
+            )
+        );
+        $writer->write();
+        $config = Config::fromIni($this->tempFile)->toArray();
+        $this->assertTrue(array_key_exists('section.with.multiple.dots', $config), 'Section names not normalized');
+    }
+
     public function testWhetherSimplePropertiesAreInsertedInEmptyFiles()
     {
         $this->markTestSkipped('Implementation has changed. Section-less properties are not supported anymore');
@@ -702,44 +726,6 @@ EOD;
         );
     }
 
-    public function testKeyNormalization()
-    {
-        $normalKeys = new IniWriter(
-            array (
-                'config' => new Config(array (
-                        'foo' => 'bar',
-                        'nest' => array (
-                            'nested' => array (
-                                'stuff' => 'nested configuration element'
-                            )
-                        ),
-                        'preserving' => array (
-                            'ini' => array(
-                                'writer' => 'n'
-                            ),
-                            'foo' => 'this should not be overwritten'
-                        )
-                 )),
-                'filename' => $this->tempFile
-            )
-
-        );
-
-        $nestedKeys = new IniWriter(
-            array (
-                'config' => new Config(array (
-                    'foo' => 'bar',
-                    'nest.nested.stuff' => 'nested configuration element',
-                    'preserving.ini.writer' => 'n',
-                    'preserving.foo' => 'this should not be overwritten'
-                )),
-                'filename' => $this->tempFile2
-            )
-
-        );
-        $this->assertEquals($normalKeys->render(), $nestedKeys->render());
-    }
-
     /**
      * Write a INI-configuration string to a temporary file and return it's path
      *