diff --git a/src/api/api.cpp b/src/api/api.cpp
index e49201b2..3617514f 100644
--- a/src/api/api.cpp
+++ b/src/api/api.cpp
@@ -70,7 +70,7 @@ LOOT_API void SetLogFile(const std::string& path) {
     boost::log::keywords::auto_flush = true,
     boost::log::keywords::format = (
       boost::log::expressions::stream
-      << "[" << boost::log::expressions::format_date_time< boost::posix_time::ptime >("TimeStamp", "%H:%M:%S") << "]"
+      << "[" << boost::log::expressions::format_date_time< boost::posix_time::ptime >("TimeStamp", "%H:%M:%S.%f") << "]"
       << " [" << boost::log::trivial::severity << "]: "
       << boost::log::expressions::smessage
       )
diff --git a/src/gui/state/loot_state.cpp b/src/gui/state/loot_state.cpp
index 4c2e8bc8..08beaae0 100644
--- a/src/gui/state/loot_state.cpp
+++ b/src/gui/state/loot_state.cpp
@@ -147,7 +147,7 @@ void LootState::init(const std::string& cmdLineGame) {
     boost::log::keywords::auto_flush = true,
     boost::log::keywords::format = (
       boost::log::expressions::stream
-      << "[" << boost::log::expressions::format_date_time< boost::posix_time::ptime >("TimeStamp", "%H:%M:%S") << "]"
+      << "[" << boost::log::expressions::format_date_time< boost::posix_time::ptime >("TimeStamp", "%H:%M:%S.%f") << "]"
       << " [" << boost::log::trivial::severity << "]: "
       << boost::log::expressions::smessage
       )