diff --git a/wrap/dae/poly_triangulator.h b/wrap/dae/poly_triangulator.h
index bec53e08..c1f12197 100644
--- a/wrap/dae/poly_triangulator.h
+++ b/wrap/dae/poly_triangulator.h
@@ -2,6 +2,7 @@
 #define POLY_TRIANGULATOR_H
 
 #include "util_dae.h"
+#include <wrap/gl/glu_tesselator.h>
 
 namespace vcg {
 namespace tri {
@@ -135,4 +136,4 @@ namespace io {
 }
 }
 
-#endif
\ No newline at end of file
+#endif