diff --git a/cmd/dwelling-home/main.go b/cmd/dwelling-home/main.go
index 91c7091..d0e00bb 100644
--- a/cmd/dwelling-home/main.go
+++ b/cmd/dwelling-home/main.go
@@ -20,7 +20,7 @@ var showVersion *bool = flag.Bool("v", false, "show version")
 var listenAddress *string = flag.String("listen", "/var/run/dwelling-home/sock", "listen address (ip:port|unix_path)")
 var captchaExpiry *time.Duration = flag.Duration("captcha-expiry", 10*time.Minute, "CAPTCHA expiry (e.g. 5m, 60s)")
 var guestbookOwner *string = flag.String("gb-owner", "Admin", "name of a guestbook owner")
-var guestbookPageSize *int = flag.Int("gb-pagesz", 60, "size of a guestbook page")
+var guestbookPageSize *int64 = flag.Int64("gb-pagesz", 60, "size of a guestbook page")
 var databasesPath *string = flag.String("db", "/var/lib/dwelling-home", "path to a directory where to store DB files")
 
 func main() {
diff --git a/internal/http/handlers.go b/internal/http/handlers.go
index 5996f47..291a960 100644
--- a/internal/http/handlers.go
+++ b/internal/http/handlers.go
@@ -15,7 +15,7 @@ type Handlers struct {
 	captchaExpire     time.Duration
 	databasesPath     string
 	guestbookOwner    string
-	guestbookPageSize int
+	guestbookPageSize int64
 }
 
 func NewHandlers(captchaExpire time.Duration, dbPath, gbOwner string, gbPageSize int) *Handlers {