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-rw-r--r--src/logging.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/logging.cpp b/src/logging.cpp
index f1a86f0dce..1e2c1d5a77 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -364,7 +364,8 @@ void BCLog::Logger::LogPrintStr(const std::string& str, const std::string& loggi
}
if (m_log_threadnames && m_started_new_line) {
- str_prefixed.insert(0, "[" + util::ThreadGetInternalName() + "] ");
+ const auto threadname = util::ThreadGetInternalName();
+ str_prefixed.insert(0, "[" + (threadname.empty() ? "unknown" : threadname) + "] ");
}
str_prefixed = LogTimestampStr(str_prefixed);