diff --git a/src/Spout/Writer/XLSX/Creator/InternalFactory.php b/src/Spout/Writer/XLSX/Creator/InternalFactory.php
index e8b5546..d854a96 100644
--- a/src/Spout/Writer/XLSX/Creator/InternalFactory.php
+++ b/src/Spout/Writer/XLSX/Creator/InternalFactory.php
@@ -9,7 +9,7 @@ use Box\Spout\Writer\Common\Creator\InternalFactoryInterface;
 use Box\Spout\Writer\Common\Entity\Options;
 use Box\Spout\Writer\Common\Manager\OptionsManagerInterface;
 use Box\Spout\Writer\XLSX\Helper\FileSystemHelper;
-use Box\Spout\Writer\XLSX\Helper\SharedStringsHelper;
+use Box\Spout\Writer\XLSX\Manager\SharedStringsManager;
 use Box\Spout\Writer\XLSX\Manager\Style\StyleManager;
 use Box\Spout\Writer\XLSX\Manager\Style\StyleRegistry;
 use Box\Spout\Writer\XLSX\Manager\WorkbookManager;
@@ -48,10 +48,10 @@ class InternalFactory implements InternalFactoryInterface
         $fileSystemHelper->createBaseFilesAndFolders();
 
         $xlFolder = $fileSystemHelper->getXlFolder();
-        $sharedStringsHelper = $this->createSharedStringsHelper($xlFolder);
+        $sharedStringsManager = $this->createSharedStringsManager($xlFolder);
 
         $styleManager = $this->createStyleManager($optionsManager);
-        $worksheetManager = $this->createWorksheetManager($optionsManager, $styleManager, $sharedStringsHelper);
+        $worksheetManager = $this->createWorksheetManager($optionsManager, $styleManager, $sharedStringsManager);
 
         return new WorkbookManager($workbook, $optionsManager, $worksheetManager, $styleManager, $fileSystemHelper, $this->entityFactory);
     }
@@ -59,19 +59,19 @@ class InternalFactory implements InternalFactoryInterface
     /**
      * @param OptionsManagerInterface $optionsManager
      * @param StyleManager $styleManager
-     * @param SharedStringsHelper $sharedStringsHelper
+     * @param SharedStringsManager $sharedStringsManager
      * @return WorksheetManager
      */
     private function createWorksheetManager(
         OptionsManagerInterface $optionsManager,
         StyleManager $styleManager,
-        SharedStringsHelper $sharedStringsHelper
+        SharedStringsManager $sharedStringsManager
     )
     {
         $stringsEscaper = $this->createStringsEscaper();
         $stringsHelper = $this->createStringHelper();
 
-        return new WorksheetManager($optionsManager, $styleManager, $sharedStringsHelper, $stringsEscaper, $stringsHelper);
+        return new WorksheetManager($optionsManager, $styleManager, $sharedStringsManager, $stringsEscaper, $stringsHelper);
     }
 
     /**
@@ -96,11 +96,12 @@ class InternalFactory implements InternalFactoryInterface
 
     /**
      * @param string $xlFolder Path to the "xl" folder
-     * @return SharedStringsHelper
+     * @return SharedStringsManager
      */
-    private function createSharedStringsHelper($xlFolder)
+    private function createSharedStringsManager($xlFolder)
     {
-        return new SharedStringsHelper($xlFolder);
+        $stringEscaper = $this->createStringsEscaper();
+        return new SharedStringsManager($xlFolder, $stringEscaper);
     }
 
     /**
diff --git a/src/Spout/Writer/XLSX/Helper/SharedStringsHelper.php b/src/Spout/Writer/XLSX/Manager/SharedStringsManager.php
similarity index 88%
rename from src/Spout/Writer/XLSX/Helper/SharedStringsHelper.php
rename to src/Spout/Writer/XLSX/Manager/SharedStringsManager.php
index 292b663..167063e 100644
--- a/src/Spout/Writer/XLSX/Helper/SharedStringsHelper.php
+++ b/src/Spout/Writer/XLSX/Manager/SharedStringsManager.php
@@ -1,16 +1,17 @@
 <?php
 
-namespace Box\Spout\Writer\XLSX\Helper;
+namespace Box\Spout\Writer\XLSX\Manager;
 
 use Box\Spout\Common\Exception\IOException;
+use Box\Spout\Common\Escaper;
 
 /**
- * Class SharedStringsHelper
- * This class provides helper functions to write shared strings
+ * Class SharedStringsManager
+ * This class provides functions to write shared strings
  *
- * @package Box\Spout\Writer\XLSX\Helper
+ * @package Box\Spout\Writer\XLSX\Manager
  */
-class SharedStringsHelper
+class SharedStringsManager
 {
     const SHARED_STRINGS_FILE_NAME = 'sharedStrings.xml';
 
@@ -31,13 +32,14 @@ EOD;
     /** @var int Number of shared strings already written */
     protected $numSharedStrings = 0;
 
-    /** @var \Box\Spout\Common\Escaper\XLSX Strings escaper */
+    /** @var Escaper\XLSX Strings escaper */
     protected $stringsEscaper;
 
     /**
      * @param string $xlFolder Path to the "xl" folder
+     * @param Escaper\XLSX $stringsEscaper Strings escaper
      */
-    public function __construct($xlFolder)
+    public function __construct($xlFolder, $stringsEscaper)
     {
         $sharedStringsFilePath = $xlFolder . '/' . self::SHARED_STRINGS_FILE_NAME;
         $this->sharedStringsFilePointer = fopen($sharedStringsFilePath, 'w');
@@ -48,8 +50,7 @@ EOD;
         $header = self::SHARED_STRINGS_XML_FILE_FIRST_PART_HEADER . ' ' . self::DEFAULT_STRINGS_COUNT_PART . '>';
         fwrite($this->sharedStringsFilePointer, $header);
 
-        /** @noinspection PhpUnnecessaryFullyQualifiedNameInspection */
-        $this->stringsEscaper = \Box\Spout\Common\Escaper\XLSX::getInstance();
+        $this->stringsEscaper = $stringsEscaper;
     }
 
     /**
diff --git a/src/Spout/Writer/XLSX/Manager/WorkbookManager.php b/src/Spout/Writer/XLSX/Manager/WorkbookManager.php
index a07670b..6b713e2 100644
--- a/src/Spout/Writer/XLSX/Manager/WorkbookManager.php
+++ b/src/Spout/Writer/XLSX/Manager/WorkbookManager.php
@@ -55,7 +55,7 @@ class WorkbookManager extends WorkbookManagerAbstract
      */
     protected function closeRemainingObjects()
     {
-        $this->worksheetManager->getSharedStringsHelper()->close();
+        $this->worksheetManager->getSharedStringsManager()->close();
     }
 
     /**
diff --git a/src/Spout/Writer/XLSX/Manager/WorksheetManager.php b/src/Spout/Writer/XLSX/Manager/WorksheetManager.php
index c892d39..6a03dad 100644
--- a/src/Spout/Writer/XLSX/Manager/WorksheetManager.php
+++ b/src/Spout/Writer/XLSX/Manager/WorksheetManager.php
@@ -12,7 +12,6 @@ use Box\Spout\Writer\Common\Entity\Cell;
 use Box\Spout\Writer\Common\Entity\Worksheet;
 use Box\Spout\Writer\Common\Manager\WorksheetManagerInterface;
 use Box\Spout\Writer\Common\Entity\Style\Style;
-use Box\Spout\Writer\XLSX\Helper\SharedStringsHelper;
 use Box\Spout\Writer\XLSX\Manager\Style\StyleManager;
 
 /**
@@ -42,8 +41,8 @@ EOD;
     /** @var StyleManager Manages styles */
     private $styleManager;
 
-    /** @var SharedStringsHelper Helper to write shared strings */
-    private $sharedStringsHelper;
+    /** @var SharedStringsManager Helper to write shared strings */
+    private $sharedStringsManager;
 
     /** @var \Box\Spout\Common\Escaper\XLSX Strings escaper */
     private $stringsEscaper;
@@ -56,30 +55,30 @@ EOD;
      *
      * @param OptionsManagerInterface $optionsManager
      * @param StyleManager $styleManager
-     * @param SharedStringsHelper $sharedStringsHelper
+     * @param SharedStringsManager $sharedStringsManager
      * @param \Box\Spout\Common\Escaper\XLSX $stringsEscaper
      * @param StringHelper $stringHelper
      */
     public function __construct(
         OptionsManagerInterface $optionsManager,
         StyleManager $styleManager,
-        SharedStringsHelper $sharedStringsHelper,
+        SharedStringsManager $sharedStringsManager,
         \Box\Spout\Common\Escaper\XLSX $stringsEscaper,
         StringHelper $stringHelper)
     {
         $this->shouldUseInlineStrings = $optionsManager->getOption(Options::SHOULD_USE_INLINE_STRINGS);
         $this->styleManager = $styleManager;
-        $this->sharedStringsHelper = $sharedStringsHelper;
+        $this->sharedStringsManager = $sharedStringsManager;
         $this->stringsEscaper = $stringsEscaper;
         $this->stringHelper = $stringHelper;
     }
 
     /**
-     * @return SharedStringsHelper
+     * @return SharedStringsManager
      */
-    public function getSharedStringsHelper()
+    public function getSharedStringsManager()
     {
-        return $this->sharedStringsHelper;
+        return $this->sharedStringsManager;
     }
 
 
@@ -241,7 +240,7 @@ EOD;
         if ($this->shouldUseInlineStrings) {
             $cellXMLFragment = ' t="inlineStr"><is><t>' . $this->stringsEscaper->escape($cellValue) . '</t></is></c>';
         } else {
-            $sharedStringId = $this->sharedStringsHelper->writeString($cellValue);
+            $sharedStringId = $this->sharedStringsManager->writeString($cellValue);
             $cellXMLFragment = ' t="s"><v>' . $sharedStringId . '</v></c>';
         }