diff --git a/src/comm/MAVLinkSimulationMAV.cc b/src/comm/MAVLinkSimulationMAV.cc
index 90e8c47..416d37b 100644
--- a/src/comm/MAVLinkSimulationMAV.cc
+++ b/src/comm/MAVLinkSimulationMAV.cc
@@ -1,5 +1,6 @@
 #include <QDebug>
 #include <cmath>
+#include <qmath.h>
 
 #include "MAVLinkSimulationMAV.h"