diff --git a/src/Exceptions/ExpiredSignatureException.php b/src/Exceptions/ExpiredSignatureException.php
index 6c50c3b..814a09b 100644
--- a/src/Exceptions/ExpiredSignatureException.php
+++ b/src/Exceptions/ExpiredSignatureException.php
@@ -9,6 +9,6 @@ class ExpiredSignatureException extends Exception
 {
     public function __construct()
     {
-        parent::__construct(401, 'Invalid signature.');
+        parent::__construct(401, config('laravel-passwordless-login.invalid_signature_message'));
     }
 }
diff --git a/src/Exceptions/InvalidSignatureException.php b/src/Exceptions/InvalidSignatureException.php
index 1f378c2..ff45874 100644
--- a/src/Exceptions/InvalidSignatureException.php
+++ b/src/Exceptions/InvalidSignatureException.php
@@ -9,6 +9,6 @@ class InvalidSignatureException extends Exception
 {
     public function __construct()
     {
-        parent::__construct(401, 'Invalid signature.');
+        parent::__construct(401, config('laravel-passwordless-login.invalid_signature_message'));
     }
 }