diff --git a/Src/OSD/Logger.cpp b/Src/OSD/Logger.cpp
index ad7aa48..4e63e6e 100644
--- a/Src/OSD/Logger.cpp
+++ b/Src/OSD/Logger.cpp
@@ -168,7 +168,10 @@ void CMultiLogger::DebugLog(const char *fmt, va_list vl)
 {
   for (auto &logger: m_loggers)
   {
-    logger->DebugLog(fmt, vl);
+    va_list vl_tmp;
+    va_copy(vl_tmp, vl);
+    logger->DebugLog(fmt, vl_tmp);
+    va_end(vl_tmp);
   }
 }
 
@@ -176,7 +179,10 @@ void CMultiLogger::InfoLog(const char *fmt, va_list vl)
 {
   for (auto &logger: m_loggers)
   {
-    logger->InfoLog(fmt, vl);
+    va_list vl_tmp;
+    va_copy(vl_tmp, vl);
+    logger->InfoLog(fmt, vl_tmp);
+    va_end(vl_tmp);
   }
 }
 
@@ -184,7 +190,10 @@ void CMultiLogger::ErrorLog(const char *fmt, va_list vl)
 {
   for (auto &logger: m_loggers)
   {
-    logger->ErrorLog(fmt, vl);
+    va_list vl_tmp;
+    va_copy(vl_tmp, vl);
+    logger->ErrorLog(fmt, vl_tmp);
+    va_end(vl_tmp);
   }
 }
 
@@ -391,4 +400,4 @@ void CSystemLogger::ErrorLog(const char *fmt, va_list vl)
 CSystemLogger::CSystemLogger(CLogger::LogLevel level)
   : m_logLevel(level)
 {
-}
\ No newline at end of file
+}