diff --git a/BoxMain/BoxMain.cpp b/BoxMain/BoxMain.cpp
index af6616f2b62cb5a4db02f85e5b4aff3add676823..39487bdff08d1a6e1d6d6e5b0f234a64970790e1 100644
--- a/BoxMain/BoxMain.cpp
+++ b/BoxMain/BoxMain.cpp
@@ -1,4 +1,5 @@
-#include "Box.h"
+extern int GMSHBOX(int argc, char *argv[]);
+
 int main(int argc, char *argv[])
 {
   return GMSHBOX(argc, argv);