diff --git a/src/meshlab/meshmodel.h b/src/meshlab/meshmodel.h
index 3ad650d75..b73ecc96f 100644
--- a/src/meshlab/meshmodel.h
+++ b/src/meshlab/meshmodel.h
@@ -23,6 +23,9 @@
 /****************************************************************************
   History
 $Log$
+Revision 1.7  2005/11/22 16:16:35  glvertex
+Added preprocessor intructions to prevent multiple inclusion
+
 Revision 1.6  2005/11/21 22:06:47  cignoni
 Reinserted optional normals (now working)
 
@@ -30,6 +33,9 @@ Revision 1.5  2005/11/21 12:09:33  cignoni
 Added copyright info
 ****************************************************************************/
 
+#ifndef MESHMODEL_H
+#define MESHMODEL_H
+
 #include <stdio.h>
 #include <time.h>
 
@@ -79,4 +85,6 @@ public:
   MeshModel() {glw.m=&cm;}
   bool Open(const char* filename);
   bool Render(GLW::DrawMode dm, GLW::ColorMode cm);
-};
\ No newline at end of file
+};
+
+#endif
\ No newline at end of file