diff --git a/plugins/3dveins.cpp b/plugins/3dveins.cpp
index 3e51e6582..0bd2cd6c1 100644
--- a/plugins/3dveins.cpp
+++ b/plugins/3dveins.cpp
@@ -3,6 +3,7 @@
 #include <map>
 #include <algorithm>
 #include <vector>
+#include <math.h>
 
 #include "Core.h"
 #include "Console.h"