diff --git a/visiontools/performance_monitor.h b/visiontools/performance_monitor.h
index 12002a0..9ccb32c 100644
--- a/visiontools/performance_monitor.h
+++ b/visiontools/performance_monitor.h
@@ -23,6 +23,7 @@
 #ifndef VISIONTOOLS_PERFORMANCE_MONITOR_H
 #define VISIONTOOLS_PERFORMANCE_MONITOR_H
 
+#include <list>
 #include <pangolin/pangolin.h>
 
 #include "linear_camera.h"