1 files changed, 1 insertions, 0 deletions

diff --git a/custom/btrfs-snapshots.nix b/custom/btrfs-snapshots.nix
index 7114e9d9..44b08740 100644
--- a/custom/btrfs-snapshots.nix
+++ b/custom/btrfs-snapshots.nix
@@ -50,6 +50,7 @@ in {
 
       serviceConfig = with pkgs; {
         Type = "oneshot";
+        ExecStartPre = "-${btrfs-progs}/bin/btrfs subvolume delete -c ${snapshotMount "%i"}";
         ExecStart = "${btrfs-progs}/bin/btrfs subvolume snapshot ${optionalString cfg.readOnly "-r"} %f ${snapshotMount "%i"}";
         RemainAfterExit = true;
         ExecStop = "${btrfs-progs}/bin/btrfs subvolume delete -c ${snapshotMount "%i"}";