diff --git a/packager/media/formats/mp4/webvtt_fragmenter.cc b/packager/media/formats/mp4/webvtt_fragmenter.cc
index e085c0cd23..be0dc6e11c 100644
--- a/packager/media/formats/mp4/webvtt_fragmenter.cc
+++ b/packager/media/formats/mp4/webvtt_fragmenter.cc
@@ -6,6 +6,7 @@
 
 #include "packager/media/formats/mp4/webvtt_fragmenter.h"
 
+#include <algorithm>
 #include <string>
 
 #include "packager/base/strings/string_util.h"