diff --git a/internal/serv/internal/auth/jwt.go b/internal/serv/internal/auth/jwt.go
index 898512f..c5a9d73 100644
--- a/internal/serv/internal/auth/jwt.go
+++ b/internal/serv/internal/auth/jwt.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
+	"log"
 	"net/http"
 	"strconv"
 	"strings"
@@ -134,6 +135,7 @@ func JwtHandler(ac *Auth, next http.Handler) (http.HandlerFunc, error) {
 
 		token, err := jwt.ParseWithClaims(tok, &standardClaims{}, keyFunc)
 		if err != nil {
+			log.Printf("[ERR] %s", err)
 			next.ServeHTTP(w, r)
 			return
 		}