diff --git a/src/WaveTrack.cpp b/src/WaveTrack.cpp
index 0a72ca47b..63939594e 100644
--- a/src/WaveTrack.cpp
+++ b/src/WaveTrack.cpp
@@ -31,6 +31,7 @@ Track classes.
 #include <wx/intl.h>
 #include <wx/debug.h>
 
+#include <float.h>
 #include <math.h>
 #include <algorithm>