diff --git a/Mesh/meshGRegionBoundaryRecovery.cpp b/Mesh/meshGRegionBoundaryRecovery.cpp
index 819b3e5686397183dd29c9fc7b28975be92ccace..5e7e680054bbe209fcb6af4af955ef4a68ba8cc8 100644
--- a/Mesh/meshGRegionBoundaryRecovery.cpp
+++ b/Mesh/meshGRegionBoundaryRecovery.cpp
@@ -89,6 +89,7 @@ static double orient4d(double*, double *, double *, double *, double *,
                        double, double, double, double, double){ return 0.; }
 static int clock(){ return 0; }
 #define clock_t int
+#define TETLIBRARY
 #include "tetgenBR.h"
 #include "tetgenBR.cxx"