diff --git a/cmd/dweb/main.go b/cmd/dweb/main.go
index 1259a3d..dec8abd 100644
--- a/cmd/dweb/main.go
+++ b/cmd/dweb/main.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"syscall"
 	"time"
@@ -56,21 +57,15 @@ func envBool(k string) bool {
 	v := strings.ToLower(os.Getenv(k))
 	return v == "1" || v == "true" || v == "yes"
 }
+
 func envInt64(k string, def int64) int64 {
 	if v := os.Getenv(k); v != "" {
-		var x int64
-		_, _ = fmtSscanf(v, &x)
-		return x
+		if x, err := strconv.ParseInt(v, 10, 64); err == nil {
+			return x
+		}
 	}
 	return def
 }
-func fmtSscanf(s string, p *int64) (int, error) { return fmtSscanfImpl(s, p) }
-
-// tiny wrapper to avoid importing fmt at top-level; keeps imports tidy
-func fmtSscanfImpl(s string, p *int64) (int, error) { return fmtSscanfReal(s, p) }
-
-//go:linkname fmtSscanfReal fmt.Sscanf
-func fmtSscanfReal(s string, p *int64) (int, error)
 
 func loadConfig() Config {
 	cfg := Config{