diff --git a/metrics/metrics_daemon.cc b/metrics/metrics_daemon.cc
index 1684f814f..7d564d4db 100644
--- a/metrics/metrics_daemon.cc
+++ b/metrics/metrics_daemon.cc
@@ -12,6 +12,7 @@
 #include <base/file_util.h>
 #include <base/logging.h>
 #include <base/string_util.h>
+#include <base/stringprintf.h>
 #include <dbus/dbus-glib-lowlevel.h>
 
 #include "counter.h"