diff --git a/src/libstrongswan/plugins/x509/x509_cert.c b/src/libstrongswan/plugins/x509/x509_cert.c
index bdc8234c9..96280a033 100644
--- a/src/libstrongswan/plugins/x509/x509_cert.c
+++ b/src/libstrongswan/plugins/x509/x509_cert.c
@@ -1465,7 +1465,7 @@ static bool parse_certificate(private_x509_cert_t *this)
 				}
 				break;
 			case X509_OBJ_SIGNATURE:
-				this->signature = object;
+				this->signature = chunk_skip(object, 1);
 				break;
 			default:
 				break;