diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58890b68..22b73339 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,13 +9,14 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 
-- Support cell comments in HTML writer and reader- [#308](https://github.com/PHPOffice/PhpSpreadsheet/issues/308)
+- Support cell comments in HTML writer and reader - [#308](https://github.com/PHPOffice/PhpSpreadsheet/issues/308)
 - Option to stop at a conditional styling, if it matches (only XLSX format) - [#292](https://github.com/PHPOffice/PhpSpreadsheet/pull/292)
 
 ### Fixed
 
 - Better auto-detection of CSV separators - [#305](https://github.com/PHPOffice/PhpSpreadsheet/issues/305)
 - Support for shape style ending with `;` - [#304](https://github.com/PHPOffice/PhpSpreadsheet/issues/304)
+- Freeze Panes takes wrong coordinates for XLSX - [#322](https://github.com/PHPOffice/PhpSpreadsheet/issues/322)
 
 ## [1.0.0] - 2017-12-25
 
diff --git a/src/PhpSpreadsheet/Writer/Xls/Worksheet.php b/src/PhpSpreadsheet/Writer/Xls/Worksheet.php
index 2257e075..298f97ab 100644
--- a/src/PhpSpreadsheet/Writer/Xls/Worksheet.php
+++ b/src/PhpSpreadsheet/Writer/Xls/Worksheet.php
@@ -1603,8 +1603,8 @@ class Worksheet extends BIFFwriter
             return;
         }
 
-        $y = isset($panes[0]) ? $panes[0] : null;
-        $x = isset($panes[1]) ? $panes[1] : null;
+        $x = isset($panes[0]) ? $panes[0] : null;
+        $y = isset($panes[1]) ? $panes[1] : null;
         $rwTop = isset($panes[2]) ? $panes[2] : null;
         $colLeft = isset($panes[3]) ? $panes[3] : null;
         if (count($panes) > 4) { // if Active pane was received
diff --git a/tests/PhpSpreadsheetTests/Functional/FreezePaneTest.php b/tests/PhpSpreadsheetTests/Functional/FreezePaneTest.php
index 9d2a594c..8c0644d5 100644
--- a/tests/PhpSpreadsheetTests/Functional/FreezePaneTest.php
+++ b/tests/PhpSpreadsheetTests/Functional/FreezePaneTest.php
@@ -21,8 +21,8 @@ class FreezePaneTest extends AbstractFunctional
      */
     public function testFreezePane($format)
     {
-        $cellSplit = 'B2';
-        $topLeftCell = 'E5';
+        $cellSplit = 'B4';
+        $topLeftCell = 'E7';
 
         $spreadsheet = new Spreadsheet();
         $spreadsheet->getActiveSheet()->freezePane($cellSplit, $topLeftCell);