diff --git a/rtc_base/logging.cc b/rtc_base/logging.cc
index ec8cd7ff4a..8eae4b7330 100644
--- a/rtc_base/logging.cc
+++ b/rtc_base/logging.cc
@@ -96,6 +96,9 @@ LogMessage::StreamList LogMessage::streams_ RTC_GUARDED_BY(g_log_crit);
 // Boolean options default to false (0)
 bool LogMessage::thread_, LogMessage::timestamp_;
 
+LogMessage::LogMessage(const char* file, int line, LoggingSeverity sev)
+    : LogMessage(file, line, sev, ERRCTX_NONE, 0) {}
+
 LogMessage::LogMessage(const char* file,
                        int line,
                        LoggingSeverity sev,
diff --git a/rtc_base/logging.h b/rtc_base/logging.h
index efaadc5af1..82960a48dd 100644
--- a/rtc_base/logging.h
+++ b/rtc_base/logging.h
@@ -121,11 +121,12 @@ class LogSink {
 
 class LogMessage {
  public:
+  LogMessage(const char* file, int line, LoggingSeverity sev);
   LogMessage(const char* file,
              int line,
              LoggingSeverity sev,
-             LogErrorContext err_ctx = ERRCTX_NONE,
-             int err = 0);
+             LogErrorContext err_ctx,
+             int err);
 
 #if defined(WEBRTC_ANDROID)
   LogMessage(const char* file, int line, LoggingSeverity sev, const char* tag);