1 files changed, 3 insertions, 1 deletions
diff --git a/apps/nseq.c b/apps/nseq.c
index e8cf69dac9..fd63bd821b 100644
--- a/apps/nseq.c
+++ b/apps/nseq.c
@@ -118,8 +118,10 @@ int nseq_main(int argc, char **argv)
 
     if (toseq) {
         seq = NETSCAPE_CERT_SEQUENCE_new();
+        if (seq == NULL)
+            goto end;
         seq->certs = sk_X509_new_null();
-        if (!seq->certs)
+        if (seq->certs == NULL)
             goto end;
         while ((x509 = PEM_read_bio_X509(in, NULL, NULL, NULL)))
             sk_X509_push(seq->certs, x509);