diff --git a/mythtv/libs/libmythtv/visualisations/videovisualmonoscope.cpp b/mythtv/libs/libmythtv/visualisations/videovisualmonoscope.cpp
index c356eb4f4d4..81526675d12 100644
--- a/mythtv/libs/libmythtv/visualisations/videovisualmonoscope.cpp
+++ b/mythtv/libs/libmythtv/visualisations/videovisualmonoscope.cpp
@@ -1,6 +1,7 @@
 #include <algorithm>
 
 // MythTV
+#include "libmythbase/mythchrono.h"
 #include "videovisualmonoscope.h"
 
 #ifdef USING_OPENGL