diff --git a/.config/guix/system/desktop-bababa.scm b/.config/guix/system/desktop-bababa.scm
index 6a00bf31..ee9cff56 100644
--- a/.config/guix/system/desktop-bababa.scm
+++ b/.config/guix/system/desktop-bababa.scm
@@ -30,7 +30,7 @@
                        (file-system
                          (device (file-system-label "babadata"))
                          (mount-point "/media/babadata")
-                         (type "ext4")
+                         (type "btrfs")
                          (create-mount-point? #t))
                        (file-system
                          (mount-point "/tmp")