diff --git a/cmd/backoffice/fileserver.go b/cmd/backoffice/fileserver.go
index e0ae87e..e937a29 100644
--- a/cmd/backoffice/fileserver.go
+++ b/cmd/backoffice/fileserver.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -27,6 +28,8 @@ func NewFileServer(dataDir string) *FileServer {
 	}
 }
 
+var cartFileRe = regexp.MustCompile(`^(\d+)\.events\.log$`)
+
 func listCartFiles(dir string) ([]CartFileInfo, error) {
 	entries, err := os.ReadDir(dir)
 	if err != nil {
diff --git a/cmd/backoffice/main.go b/cmd/backoffice/main.go
index 1d0cfc1..2b656f7 100644
--- a/cmd/backoffice/main.go
+++ b/cmd/backoffice/main.go
@@ -6,7 +6,6 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"regexp"
 	"time"
 
 	actor "git.tornberg.me/go-cart-actor/pkg/actor"
@@ -30,8 +29,6 @@ func envOrDefault(key, def string) string {
 	return def
 }
 
-var cartFileRe = regexp.MustCompile(`^(\d+)\.events\.log$`)
-
 var globalDisk *actor.DiskStorage[cart.CartGrain]
 
 func buildRegistry() actor.MutationRegistry {