diff --git a/hosts/yodaHedgehog/host-specific.nix b/hosts/yodaHedgehog/host-specific.nix
index 376fe20..9d3b517 100644
--- a/hosts/yodaHedgehog/host-specific.nix
+++ b/hosts/yodaHedgehog/host-specific.nix
@@ -42,7 +42,7 @@ in
     path = with pkgs; [
       # Provides `ssh`
       openssh
-      # Provides `readlink` (with support for parameter `-e`, required by `btrbk`)
+      # Provides `sync`, `readlink` (with support for parameter `-e`, required by `btrbk`)
       coreutils
       # Provides `awk`, `grep`, `sleep`, `printf`, `echo`, 'sendmail', `readlink` (without support for parameter `-e`)
       busybox
@@ -126,6 +126,8 @@ in
       sleep 15s
 
       #printf '%s\n' 'Finished backup script.'
+      # Sync changed files to disk to reduce risk of file corruption in case of power loss.
+      sync
       # Suspend to save power.
       systemctl suspend
     '';