diff --git a/src/Graphic3d/Graphic3d_ArrayOfPrimitives.lxx b/src/Graphic3d/Graphic3d_ArrayOfPrimitives.lxx
index 54af290516..4661b9bd99 100644
--- a/src/Graphic3d/Graphic3d_ArrayOfPrimitives.lxx
+++ b/src/Graphic3d/Graphic3d_ArrayOfPrimitives.lxx
@@ -175,7 +175,7 @@ inline void Graphic3d_ArrayOfPrimitives::SetVertexColor (const Standard_Integer
   {
     Graphic3d_Vec4ub aColor (Standard_Byte(theR * 255.0),
                              Standard_Byte(theG * 255.0),
-                             Standard_Byte(theB * 255.0), 0);
+                             Standard_Byte(theB * 255.0), 255);
     SetVertexColor (theIndex, *reinterpret_cast<Standard_Integer*>(&aColor));
   }
   myAttribs->NbElements = Max (theIndex, myAttribs->NbElements);
diff --git a/tests/v3d/point_cloud/sphere b/tests/v3d/point_cloud/sphere
index d99d07f14e..70dd27a1e3 100644
--- a/tests/v3d/point_cloud/sphere
+++ b/tests/v3d/point_cloud/sphere
@@ -8,7 +8,6 @@ mkface s ss
 incmesh s 0.01
 
 # draw sphere
-vcaps -ffp 1
 vinit View1
 vclear
 vsetdispmode 1