1 files changed, 1 insertions, 2 deletions
diff --git a/src/pubkey/pubkey.cpp b/src/pubkey/pubkey.cpp
index dc91ca908..725cdacf7 100644
--- a/src/pubkey/pubkey.cpp
+++ b/src/pubkey/pubkey.cpp
@@ -301,8 +301,7 @@ bool PK_Verifier::check_signature(const byte sig[], u32bit length)
             {
             BigInt sig_part;
             ber_sig.decode(sig_part);
-            real_sig.append(BigInt::encode_1363(sig_part,
-                                                op->message_part_size()));
+            real_sig += BigInt::encode_1363(sig_part, op->message_part_size());
             ++count;
             }