diff --git a/src/js/HIEOALoader.js b/src/js/HIEOALoader.js
index ffdb76f..8befa90 100644
--- a/src/js/HIEOALoader.js
+++ b/src/js/HIEOALoader.js
@@ -288,7 +288,7 @@ var HI = {
 		HI.controls = {};
 
 		// attribution control
-		L.control.attribution({prefix:'<a href="https://bitgilde.de/de/konzepte/?project=eoa">Yenda (HyperImage) Viewer v1.0</a>',position:'bottomleft'}).addTo(HIMap);
+		L.control.attribution({prefix:'<a target="_blank" href="https://bitgilde.de/de/konzepte/?project=eoa">Yenda (HyperImage) Viewer v1.0</a>',position:'bottomleft'}).addTo(HIMap);
 
 		// annotation control
 		var annotation = L.control.slideMenu('', {