diff --git a/common/statlog.cc b/common/statlog.cc
index 26945882d9..587f3e8620 100644
--- a/common/statlog.cc
+++ b/common/statlog.cc
@@ -5,6 +5,7 @@
 #include "common/statlog.h"
 #include "common/util.h"
 
+#include <cstdarg>
 #include <stdio.h>
 #include <mutex>
 #include <zmq.h>
diff --git a/common/swaglog.cc b/common/swaglog.cc
index 22682dc54c..54f1c3478a 100644
--- a/common/swaglog.cc
+++ b/common/swaglog.cc
@@ -5,6 +5,7 @@
 #include "common/swaglog.h"
 
 #include <cassert>
+#include <cstdarg>
 #include <cstring>
 #include <limits>
 #include <mutex>