diff --git a/THANKS b/THANKS
index 938108b36..4e1288a78 100644
--- a/THANKS
+++ b/THANKS
@@ -19,6 +19,7 @@ Geobert Quach
 Guillaume Morin
 Gustavo J. A. M. Carneiro
 Ivo Anjo
+Josef Vybíral
 Julien Pivotto
 Juraj Michalek
 Luis Peralta
diff --git a/src/dialogs.py b/src/dialogs.py
index 03f13f537..605deec8a 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -776,7 +776,7 @@ class AboutDialog:
 		dlg.set_translator_credits(_('translator-credits'))
 		
 		artists = ['Anders Ström', 'Christophe Got', 'Dennis Craven',
-			'Guillaume Morin', 'Membris Khan']
+			'Guillaume Morin', 'Josef Vybíral', 'Membris Khan']
 		dlg.set_artists(artists)
 
 		rep = dlg.run()