diff --git a/lib/Parser/MimeDir.php b/lib/Parser/MimeDir.php
index db0f81531..e9cc75bdc 100644
--- a/lib/Parser/MimeDir.php
+++ b/lib/Parser/MimeDir.php
@@ -378,6 +378,9 @@ protected function readProperty($line)
                     $property['parameters'][$lastParam] = $value;
                 } elseif (is_array($property['parameters'][$lastParam])) {
                     $property['parameters'][$lastParam][] = $value;
+                } elseif ($property['parameters'][$lastParam] === $value) {
+                    // When the current value of the parameter is the same as the
+                    // new one, then we can leave the current parameter as it is.
                 } else {
                     $property['parameters'][$lastParam] = [
                         $property['parameters'][$lastParam],
diff --git a/tests/VObject/Parser/MimeDirTest.php b/tests/VObject/Parser/MimeDirTest.php
index 183c9ce4c..f46411ab7 100644
--- a/tests/VObject/Parser/MimeDirTest.php
+++ b/tests/VObject/Parser/MimeDirTest.php
@@ -145,4 +145,26 @@ public function testCaseInsensitiveInlineCharset()
         $this->assertEquals('Euro', $vcard->FN->getValue());
         $this->assertEquals('Test2', $vcard->N->getValue());
     }
+
+    public function testParsingTwiceSameContent()
+    {
+        $card = <<<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:icalendar-ruby
+CALSCALE:GREGORIAN
+METHOD:PUBLISH
+X-WR-CALNAME:Designated Interpreters Calendar (Canvas)
+X-WR-CALDESC:Calendar events for the user\, Designated Interpreters
+BEGIN:VEVENT
+DTSTART;VALUE=DATE;VALUE=DATE:20220612
+END:VEVENT
+END:VCALENDAR
+EOF;
+
+        $mimeDir = new MimeDir();
+        $vcard = $mimeDir->parse($card);
+        // we can do a simple assertion here. As long as we don't get an exception, everything is thing
+        $this->assertEquals('20220612', $vcard->VEVENT->DTSTART->getValue());
+    }
 }