diff --git a/libs/audio/source/engine.cpp b/libs/audio/source/engine.cpp
index 35f0810f..263a25b0 100644
--- a/libs/audio/source/engine.cpp
+++ b/libs/audio/source/engine.cpp
@@ -8,6 +8,7 @@
 #include <mutex>
 #include <vector>
 #include <optional>
+#include <cmath>
 
 namespace psemek::audio
 {