diff --git a/data/start-cosmic b/data/start-cosmic
index 73df86d..c91f463 100755
--- a/data/start-cosmic
+++ b/data/start-cosmic
@@ -29,6 +29,7 @@ if [ -n "${SHELL}" ]; then
 fi
 
 export XDG_CURRENT_DESKTOP="${XDG_CURRENT_DESKTOP:=COSMIC}"
+export XDG_SESSION_DESKTOP="${XDG_SESSION_DESKTOP:=COSMIC}"
 export XDG_SESSION_TYPE="${XDG_SESSION_TYPE:=wayland}"
 export _JAVA_AWT_WM_NONREPARENTING=1
 export GDK_BACKEND=wayland,x11