diff --git a/modules/nixos/workflows/mosey-branch/config/desktop-session/mosey-branch.bin.in b/modules/nixos/workflows/mosey-branch/config/desktop-session/mosey-branch.bin.in
index 3c0792b6..81c48576 100755
--- a/modules/nixos/workflows/mosey-branch/config/desktop-session/mosey-branch.bin.in
+++ b/modules/nixos/workflows/mosey-branch/config/desktop-session/mosey-branch.bin.in
@@ -1,3 +1,9 @@
 #!/bin/bash
 
+# gnome-session is also looking for RequiredComponents in here.
+export XDG_CONFIG_DIRS=@prefix@/etc/xdg${XDG_CONFIG_DIRS:-:$XDG_CONFIG_DIRS}
+
+# We'll have to force gnome-session to detect our session.
+export XDG_DATA_DIRS=@prefix@/share${XDG_DATA_DIRS:-:$XDG_DATA_DIRS}
+
 gnome-session --session=mosey-branch --systemd --disable-acceleration-check