diff --git a/src/meshlabplugins/io_x3d/export_x3d.h b/src/meshlabplugins/io_x3d/export_x3d.h
index 771c9ffd7..cee97f3e7 100644
--- a/src/meshlabplugins/io_x3d/export_x3d.h
+++ b/src/meshlabplugins/io_x3d/export_x3d.h
@@ -47,7 +47,7 @@
 #ifndef EXPORTERX3D
 #define EXPORTERX3D
 
-#include<util_x3d.h>
+#include "util_x3d.h"
 
 namespace vcg {
 namespace tri {
diff --git a/src/meshlabplugins/io_x3d/import_x3d.h b/src/meshlabplugins/io_x3d/import_x3d.h
index 2942b10bb..cc3e23c2c 100644
--- a/src/meshlabplugins/io_x3d/import_x3d.h
+++ b/src/meshlabplugins/io_x3d/import_x3d.h
@@ -82,8 +82,8 @@
 #include <vcg/complex/trimesh/create/platonic.h>
 #include <wrap/gl/glu_tesselator.h>
 
-#include <util_x3d.h>
-#include <vrml/Parser.h>
+#include "util_x3d.h"
+#include "vrml/Parser.h"
 
 #include <set>