diff --git a/fuzz/corpora/x509/f5ded9e25448f6f47349d012eda2eb4fccbc7c76 b/fuzz/corpora/x509/f5ded9e25448f6f47349d012eda2eb4fccbc7c76
new file mode 100644
index 0000000000..439c50b013
Binary files /dev/null and b/fuzz/corpora/x509/f5ded9e25448f6f47349d012eda2eb4fccbc7c76 differ
diff --git a/fuzz/x509.c b/fuzz/x509.c
index 858ad61bbf..bf2dfb826d 100644
--- a/fuzz/x509.c
+++ b/fuzz/x509.c
@@ -37,6 +37,8 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
         X509_print(bio, x509);
         BIO_free(bio);
 
+        X509_issuer_and_serial_hash(x509);
+
         i2d_X509(x509, &der);
         OPENSSL_free(der);