diff --git a/Plugin/LevelsetPlugin.cpp b/Plugin/LevelsetPlugin.cpp
index 15b96e0ccbde2b63df213a5081fed2fd1d950e46..15ae87dd31e07321aea3d9f1b9686e5af2411bde 100644
--- a/Plugin/LevelsetPlugin.cpp
+++ b/Plugin/LevelsetPlugin.cpp
@@ -1,4 +1,4 @@
-// $Id: LevelsetPlugin.cpp,v 1.13 2001-08-09 18:28:24 remacle Exp $
+// $Id: LevelsetPlugin.cpp,v 1.14 2001-08-09 21:15:30 remacle Exp $
 
 #include "LevelsetPlugin.h"
 #include "List.h"
@@ -69,6 +69,7 @@ Post_View *GMSH_LevelsetPlugin::execute (Post_View *v)
 		  nx++;
 		}
 	    }
+	  /*
 	  if(nx == 4)
 	    {
 	      double xx =  Xp[3];
@@ -84,7 +85,7 @@ Post_View *GMSH_LevelsetPlugin::execute (Post_View *v)
 	      Zp[2] = zz;
 	      myVals[2] = vv;
 	    }
-
+	  */
 	  double v1[3] = {Xp[2]-Xp[0],Yp[2]-Yp[0],Zp[2]-Zp[0]};
 	  double v2[3] = {Xp[1]-Xp[0],Yp[1]-Yp[0],Zp[1]-Zp[0]};
 	  double gr[3];
@@ -106,6 +107,7 @@ Post_View *GMSH_LevelsetPlugin::execute (Post_View *v)
 	      Zp[k] = Zpi[nx-k-1];	      
 	    }
 	  }
+	  
 	  if(nx == 3 || nx == 4)
 	    {
 	      for(k=0;k<3;k++)List_Add(View->ST, &Xp[k]);
diff --git a/tutorial/t9.geo b/tutorial/t9.geo
index dea8f3b37fe7b5a7ec192be7afde10f8541f2dbe..d831085441135aec7a6f1c99cb389aada010ae70 100644
--- a/tutorial/t9.geo
+++ b/tutorial/t9.geo
@@ -45,3 +45,4 @@ View[0].SmoothNormals = 1;
 View[1].IntervalsType = 2;
 
 View[2].IntervalsType = 2;
+Draw;
\ No newline at end of file