diff --git a/plugins/lb302/lb302.cpp b/plugins/lb302/lb302.cpp
index 85320d21d..399c01f54 100644
--- a/plugins/lb302/lb302.cpp
+++ b/plugins/lb302/lb302.cpp
@@ -28,6 +28,10 @@
  *
  */
 
+// Need to include this first to ensure we get M_PI in MinGW with C++11
+#define _USE_MATH_DEFINES
+#include <math.h>
+
 #include "lb302.h"
 #include "AutomatableButton.h"
 #include "Engine.h"