1 files changed, 1 insertions, 1 deletions
diff --git a/src/coins.cpp b/src/coins.cpp
index 1753d33b71..5983a8a39f 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -296,7 +296,7 @@ bool CCoinsViewErrorCatcher::GetCoin(const COutPoint &outpoint, Coin &coin) cons
     try {
         return CCoinsViewBacked::GetCoin(outpoint, coin);
     } catch(const std::runtime_error& e) {
-        for (auto f : m_err_callbacks) {
+        for (const auto& f : m_err_callbacks) {
             f();
         }
         LogPrintf("Error reading from database: %s\n", e.what());