diff --git a/2024/call/call.html b/2024/call/call.html
index aea6fda..6c393e9 100644
--- a/2024/call/call.html
+++ b/2024/call/call.html
@@ -140,7 +140,7 @@
 					<br>
 				</p>
 		</div> <!-- #info -->
-		<marquee behavior="alternate"><a href="https://www.pzwart.nl/blog/2023/10/10/open-day-saturday-29-october-2023/"><button>Open Day (IRL) - February 10th, 2024</button></a>   <a href="mailto:l.j.drost-robbins@hr.nl?subject=Open Day (Online)&amp;body=Hello, I will join the online open day on the February 6th on 10:00 CET or 16:00 CET" <="" a=""><button>Open Day (Online) - February 6th, 2024</button></a></marquee>
+		<marquee behavior="alternate"><button><a href="https://www.pzwart.nl/blog/2023/10/10/open-day-saturday-29-october-2023/" target="_blank">Open Day (IRL) - February 10th, 2024</a></button>   <button><a href="mailto:l.j.drost-robbins@hr.nl?subject=Open Day (Online)&amp;body=Hello, I will join the online open day on the February 6th on 10:00 CET or 16:00 CET" target="_blank">Open Day (Online) - February 6th, 2024</a></button></marquee>
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 	</form>
 	<div id="rain2" style="z-index: 1;"></div>