diff --git a/src/common/log.cpp b/src/common/log.cpp
index cd25edb4b..cfbfea1d5 100644
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -213,7 +213,7 @@ static ALWAYS_INLINE void FormatLogMessageAndPrintW(const char* channelName, con
   callback(wmessage_buf, wmessage_buflen);
 
   if (wmessage_buf != wbuf)
-    std::free(wbuf);
+    std::free(wmessage_buf);
 
   if (message_buf != buf)
     std::free(message_buf);