Index: cinnamon/files/usr/share/cinnamon/applets/panel-launchers@cinnamon.org/settings-schema.json
===================================================================
--- cinnamon.orig/files/usr/share/cinnamon/applets/panel-launchers@cinnamon.org/settings-schema.json	2016-05-29 14:39:38.635164895 +0200
+++ cinnamon/files/usr/share/cinnamon/applets/panel-launchers@cinnamon.org/settings-schema.json	2016-05-29 21:04:20.668802444 +0200
@@ -1,7 +1,7 @@
 {
     "launcherList": {
         "type": "generic",
-        "default": ["firefox.desktop", "gnome-terminal.desktop", "nemo.desktop"]
+        "default": ["iceweasel.desktop", "gnome-terminal.desktop", "nemo.desktop"]
     },
     "allow-dragging": {
         "type": "checkbox",
