5 files changed, 12 insertions, 8 deletions
diff --git a/src/pies/defaultConfig.vala b/src/pies/defaultConfig.vala
index 4041111..d832347 100644
--- a/src/pies/defaultConfig.vala
+++ b/src/pies/defaultConfig.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -63,8 +63,10 @@ namespace Pies {
             window.add_action(new KeyAction(_("Restore"), "view-restore", "<Alt>F5"));
 
         // add a pie with window list group
-        var alt_tab = PieManager.create_persistent_pie("Alt Tab", "dock", new Trigger.from_string("<Control><Alt>T"));
+        if (GLib.Environment.get_variable("XDG_SESSION_TYPE") != "wayland") {
+            var alt_tab = PieManager.create_persistent_pie("Alt Tab", "preferences-system-windows", new Trigger.from_string("<Control><Alt>T"));
             alt_tab.add_group(new WindowListGroup(alt_tab.id));
+        }
 
         // save the configuration to file
         Pies.save();
diff --git a/src/pies/load.vala b/src/pies/load.vala
index 20e18d8..976d818 100644
--- a/src/pies/load.vala
+++ b/src/pies/load.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -199,9 +199,11 @@ namespace Pies {
         }
 
         ActionGroup group = GroupRegistry.create_group(type, pie.id);
-        group.on_load(slice);
 
-        if (group != null) pie.add_group(group);
+        if (group != null) {
+            group.on_load(slice);
+            pie.add_group(group);
+        }
     }
 }
 
diff --git a/src/pies/pie.vala b/src/pies/pie.vala
index be17238..ef5549c 100644
--- a/src/pies/pie.vala
+++ b/src/pies/pie.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/pies/pieManager.vala b/src/pies/pieManager.vala
index d9bf5b7..6951508 100644
--- a/src/pies/pieManager.vala
+++ b/src/pies/pieManager.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/pies/save.vala b/src/pies/save.vala
index 0a2d401..2c5e191 100644
--- a/src/pies/save.vala
+++ b/src/pies/save.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by