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-rw-r--r--include/hotstuff/consensus.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/hotstuff/consensus.h b/include/hotstuff/consensus.h
index b176eb4..1528b40 100644
--- a/include/hotstuff/consensus.h
+++ b/include/hotstuff/consensus.h
@@ -212,7 +212,7 @@ struct Vote: public Serializable {
voter(other.voter),
bqc_hash(other.bqc_hash),
blk_hash(other.blk_hash),
- cert(other.cert->clone()),
+ cert(other.cert ? other.cert->clone() : nullptr),
hsc(other.hsc) {}
Vote(Vote &&other) = default;