diff --git a/hw03/oglwidget.cpp b/hw03/oglwidget.cpp
index 676ade9..d7c5f71 100644
--- a/hw03/oglwidget.cpp
+++ b/hw03/oglwidget.cpp
@@ -271,6 +271,7 @@
         if (vert.isNext) {
             glEnd();
             glLineWidth(2*abs(vert._z));
+            glColor3f(1.0f, 0.0f, 0.0f);
             glBegin( GL_LINE_STRIP);
         }
         glVertex3f(vert._x, vert._y, vert._z);
@@ -293,7 +294,7 @@
     glShadeModel( GL_SMOOTH); // Gouraud shading
     //glShadeModel( GL_FLAT);
 
-    glEnable( GL_LIGHTING); // use lighting
+    glDisable( GL_LIGHTING); // use lighting
     glLightModeli( GL_LIGHT_MODEL_TWO_SIDE, 1); // draw both sides
 
     // define and switch on light 0