diff --git a/src/hamster/widgets/activityentry.py b/src/hamster/widgets/activityentry.py
index <HASH>..<HASH> 100644
--- a/src/hamster/widgets/activityentry.py
+++ b/src/hamster/widgets/activityentry.py
@@ -209,6 +209,7 @@ class CmdLineEntry(gtk.Entry):
         self.original_fact = None
 
         self.popup = gtk.Window(type = gtk.WindowType.POPUP)
+        self.popup.set_type_hint(gdk.WindowTypeHint.COMBO)
         self.popup.set_transient_for(self.get_ancestor(gtk.Window))  # position
         self.popup.set_attached_to(self)  # attributes
set cmdline popup type_hint