diff --git a/src/CSoundInput.cpp b/src/CSoundInput.cpp
index dd97e66..cc58eaa 100644
--- a/src/CSoundInput.cpp
+++ b/src/CSoundInput.cpp
@@ -1,5 +1,6 @@
 #include <chrono>
 #include <fstream>
+#include <algorithm>
 #include "CSoundInput.h"
 #include <bass_fx.h>