diff --git a/index.php b/index.php
index 619a1b5..3d12998 100644
--- a/index.php
+++ b/index.php
@@ -112,7 +112,7 @@ $v = file_get_contents('/media/sg/dorf.jetzt_visitors');
 								}else{
 									$enddate_str = $startdate_loop->add($interval_loop)->format('H:i');
 								}
-								echo($startdate_str . ' &mdash; ' . $enddate_str); ?></th>
+								echo($startdate_str . ' &ndash; ' . $enddate_str); ?></th>
 								<td><?= htmlspecialchars($event->summary) ?></td>
 							</tr>
 						<?php endforeach ?>