diff --git a/deluge/ui/gtk3/mainwindow.py b/deluge/ui/gtk3/mainwindow.py
index e5534c0c6..9f4b77b0f 100644
--- a/deluge/ui/gtk3/mainwindow.py
+++ b/deluge/ui/gtk3/mainwindow.py
@@ -32,7 +32,7 @@ try:
 
     gi.require_version('Wnck', '3.0')
     from gi.repository import Wnck
-except ImportError:
+except ValueError:
     Wnck = None