diff --git a/scapy/layers/tls/cert.py b/scapy/layers/tls/cert.py
index 5eab98fb04a..ed934e8b17f 100644
--- a/scapy/layers/tls/cert.py
+++ b/scapy/layers/tls/cert.py
@@ -45,10 +45,10 @@
     _EncryptAndVerifyRSA, _DecryptAndSignRSA
 from scapy.compat import raw, bytes_encode
 if conf.crypto_valid:
+    from cryptography.exceptions import InvalidSignature
     from cryptography.hazmat.backends import default_backend
     from cryptography.hazmat.primitives import serialization
     from cryptography.hazmat.primitives.asymmetric import rsa, ec
-    from cryptography.hazmat.backends.openssl.ec import InvalidSignature
 
 
 # Maximum allowed size in bytes for a certificate file, to avoid