diff --git a/src/PhpSpreadsheet/Reader/Xml.php b/src/PhpSpreadsheet/Reader/Xml.php
index e4d251e28f..11aa1df3bd 100644
--- a/src/PhpSpreadsheet/Reader/Xml.php
+++ b/src/PhpSpreadsheet/Reader/Xml.php
@@ -617,9 +617,11 @@ public function loadIntoExisting($pFilename, Spreadsheet $spreadsheet)
                     ++$rowID;
                 }
 
-                $xmlX = $worksheet->children($namespaces['x']);
-                if (isset($xmlX->WorksheetOptions)) {
-                    (new PageSettings($xmlX, $namespaces))->loadPageSettings($spreadsheet);
+                if (isset($namespaces['x'])) {
+                    $xmlX = $worksheet->children($namespaces['x']);
+                    if (isset($xmlX->WorksheetOptions)) {
+                        (new PageSettings($xmlX, $namespaces))->loadPageSettings($spreadsheet);
+                    }
                 }
             }
             ++$worksheetID;
diff --git a/tests/PhpSpreadsheetTests/Reader/Xml/XmlOddTest.php b/tests/PhpSpreadsheetTests/Reader/Xml/XmlOddTest.php
new file mode 100644
index 0000000000..e0b43113b1
--- /dev/null
+++ b/tests/PhpSpreadsheetTests/Reader/Xml/XmlOddTest.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheetTests\Reader\Xml;
+
+use PhpOffice\PhpSpreadsheet\Reader\Xml;
+use PhpOffice\PhpSpreadsheet\Shared\File;
+use PHPUnit\Framework\TestCase;
+
+class XmlOddTest extends TestCase
+{
+    private $filename = '';
+
+    protected function teardown(): void
+    {
+        if ($this->filename) {
+            unlink($this->filename);
+            $this->filename = '';
+        }
+    }
+
+    public function testWriteThenRead(): void
+    {
+        $xmldata = <<< 'EOT'
+<?xml version="1.0" encoding="UTF-8"?><?mso-application progid="Excel.Sheet"?>
+<Workbook xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"
+          xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882"
+          xmlns="urn:schemas-microsoft-com:office:spreadsheet"
+          xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
+          >
+ <DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
+  <Title>Xml2003 Short Workbook</Title>
+ </DocumentProperties>
+ <CustomDocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
+  <my_x05d0_Int dt:dt="integer">2</my_x05d0_Int>
+ </CustomDocumentProperties>
+    <ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
+        <WindowHeight>9000</WindowHeight>
+        <WindowWidth>13860</WindowWidth>
+        <WindowTopX>240</WindowTopX>
+        <WindowTopY>75</WindowTopY>
+        <ProtectStructure>False</ProtectStructure>
+        <ProtectWindows>False</ProtectWindows>
+    </ExcelWorkbook>
+    <ss:Worksheet ss:Name="Sample Data">
+        <Table>
+            <Column ss:Width="96.4913"/>
+            <Row ss:Index="8" ss:AutoFitHeight="0" ss:Height="14.9953">
+                <Cell>
+                    <ss:Data ss:Type="String">Test String 1</ss:Data>
+                </Cell>
+            </Row>
+        </Table>
+    </ss:Worksheet>
+</Workbook>
+EOT;
+        $this->filename = tempnam(File::sysGetTempDir(), 'phpspreadsheet-test');
+        file_put_contents($this->filename, $xmldata);
+        $reader = new Xml();
+        $spreadsheet = $reader->load($this->filename);
+        self::assertEquals(1, $spreadsheet->getSheetCount());
+
+        $sheet = $spreadsheet->getActiveSheet();
+        self::assertEquals('Sample Data', $sheet->getTitle());
+        self::assertEquals('Test String 1', $sheet->getCell('A8')->getValue());
+
+        $props = $spreadsheet->getProperties();
+        self::assertEquals('Xml2003 Short Workbook', $props->getTitle());
+        self::assertEquals('2', $props->getCustomPropertyValue('myאInt'));
+    }
+}