diff --git a/tests/PhpSpreadsheetTests/Writer/Ods/ContentTest.php b/tests/PhpSpreadsheetTests/Writer/Ods/ContentTest.php
index 36d81233..9587a8e8 100644
--- a/tests/PhpSpreadsheetTests/Writer/Ods/ContentTest.php
+++ b/tests/PhpSpreadsheetTests/Writer/Ods/ContentTest.php
@@ -2,6 +2,7 @@
 
 namespace PhpOffice\PhpSpreadsheetTests\Writer\Ods\Content;
 
+use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 use PhpOffice\PhpSpreadsheet\Cell\DataType;
 use PhpOffice\PhpSpreadsheet\Shared\Date;
 use PhpOffice\PhpSpreadsheet\Spreadsheet;
@@ -16,6 +17,25 @@ class ContentTest extends \PHPUnit_Framework_TestCase
 {
     public $samplesPath = __DIR__ . '/../../../data/Writer/Ods';
 
+    /**
+     * @var string
+     */
+    protected $compatibilityMode;
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->compatibilityMode = Functions::getCompatibilityMode();
+        Functions::setCompatibilityMode(Functions::COMPATIBILITY_OPENOFFICE);
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+        Functions::setCompatibilityMode($this->compatibilityMode);
+    }
+
     public function testWriteEmptySpreadsheet()
     {
         $content = new Content();
@@ -40,7 +60,11 @@ class ContentTest extends \PHPUnit_Framework_TestCase
 
         $worksheet1->setCellValue('A2', true); // Boolean
         $worksheet1->setCellValue('B2', false); // Boolean
-        $worksheet1->setCellValue('C2', '=IF(A3, CONCATENATE(A1, " ", A2), CONCATENATE(A2, " ", A1))'); // Formula
+        $worksheet1->setCellValueExplicit(
+            'C2',
+            '=IF(A3, CONCATENATE(A1, " ", A2), CONCATENATE(A2, " ", A1))',
+            DataType::TYPE_FORMULA
+        ); // Formula
 
         $worksheet1->setCellValue('D2', Date::PHPToExcel(1488635026)); // Date
         $worksheet1->getStyle('D2')
diff --git a/tests/data/Writer/Ods/content-with-data.xml b/tests/data/Writer/Ods/content-with-data.xml
index 4ee12098..48184386 100644
--- a/tests/data/Writer/Ods/content-with-data.xml
+++ b/tests/data/Writer/Ods/content-with-data.xml
@@ -79,8 +79,8 @@
                     <table:table-cell table:style-name="ce0" office:value-type="boolean" office:value="">
                         <text:p></text:p>
                     </table:table-cell>
-                    <table:table-cell table:style-name="ce10" table:formula="of:=IF(A3, CONCATENATE(A1, &quot; &quot;, A2), CONCATENATE(A2, &quot; &quot;, A1))" office:value-type="string" office:value="1 TRUE">
-                        <text:p>1 TRUE</text:p>
+                    <table:table-cell table:style-name="ce10" table:formula="of:=IF(A3, CONCATENATE(A1, &quot; &quot;, A2), CONCATENATE(A2, &quot; &quot;, A1))" office:value-type="string" office:value="1 1">
+                        <text:p>1 1</text:p>
                     </table:table-cell>
                     <table:table-cell table:style-name="ce1" office:value-type="float" office:value="42798.572060185">
                         <text:p>42798.572060185</text:p>