diff --git a/UI/adv-audio-control.cpp b/UI/adv-audio-control.cpp
index 86d6a498b..4b362ac09 100644
--- a/UI/adv-audio-control.cpp
+++ b/UI/adv-audio-control.cpp
@@ -4,6 +4,7 @@
 #include <QSpinBox>
 #include <QComboBox>
 #include <QCheckBox>
+#include <cmath>
 #include "qt-wrappers.hpp"
 #include "obs-app.hpp"
 #include "adv-audio-control.hpp"