diff --git a/home-manager/home-manager b/home-manager/home-manager
index 1c3b87f0..612df6f4 100644
--- a/home-manager/home-manager
+++ b/home-manager/home-manager
@@ -198,9 +198,9 @@ function setFlakeAttribute() {
                 ;;
             *)
                 local name="$USER"
-                # Check both long and short hostnames; long first to preserve
+                # Check FQDN, long, and short hostnames; long first to preserve
                 # pre-existing behaviour in case both happen to be defined.
-                for n in "$USER@$(hostname)" "$USER@$(hostname -s)"; do
+                for n in "$USER@$(hostname --fqdn)" "$USER@$(hostname)" "$USER@$(hostname -s)"; do
                     if [[ "$(nix eval "$flake#homeConfigurations" --apply "x: x ? \"$n\"")" == "true" ]]; then
                         name="$n"
                         if [[ -v VERBOSE ]]; then