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-rw-r--r--src/txdb.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/txdb.cpp b/src/txdb.cpp
index bbad3899ea..134bb8721b 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -35,7 +35,7 @@ namespace {
struct CoinEntry {
COutPoint* outpoint;
char key;
- CoinEntry(const COutPoint* ptr) : outpoint(const_cast<COutPoint*>(ptr)), key(DB_COIN) {}
+ explicit CoinEntry(const COutPoint* ptr) : outpoint(const_cast<COutPoint*>(ptr)), key(DB_COIN) {}
template<typename Stream>
void Serialize(Stream &s) const {