diff --git a/src/log.cpp b/src/log.cpp
index a90b7f1e0..89602b422 100644
--- a/src/log.cpp
+++ b/src/log.cpp
@@ -27,7 +27,7 @@ LogEntry logEntries[TA_LOG_SIZE];
 
 static constexpr unsigned int TA_LOG_MASK=TA_LOG_SIZE-1;
 
-int writeLog(int level, const char* msg, fmt::printf_args& args) {
+int writeLog(int level, const char* msg, fmt::printf_args args) {
   time_t thisMakesNoSense=time(NULL);
   int pos=logPosition;
   logPosition=(logPosition+1)&TA_LOG_MASK;
diff --git a/src/ta-log.h b/src/ta-log.h
index dd26dd94f..6a61fa321 100644
--- a/src/ta-log.h
+++ b/src/ta-log.h
@@ -49,7 +49,7 @@ struct LogEntry {
     ready(false) {}
 };
 
-int writeLog(int level, const char* msg, fmt::printf_args& args);
+int writeLog(int level, const char* msg, fmt::printf_args args);
 
 extern LogEntry logEntries[TA_LOG_SIZE];