diff --git a/Vocaluxe/Lib/Draw/CDirect3D.cs b/Vocaluxe/Lib/Draw/CDirect3D.cs
index 7f3d3a4c..cf8048ef 100644
--- a/Vocaluxe/Lib/Draw/CDirect3D.cs
+++ b/Vocaluxe/Lib/Draw/CDirect3D.cs
@@ -230,6 +230,9 @@ namespace Vocaluxe.Lib.Draw
                         case 0xF100: // SC_KEYMENU
                             m.Result = IntPtr.Zero;
                             break;
+                        case 0xF140: // SC_SCREENSAVER
+                        case 0xF170: // SC_MONITORPOWER
+                            break;
                         default:
                             base.WndProc(ref m);
                             break;
diff --git a/Vocaluxe/Lib/Draw/CDrawWinForm.cs b/Vocaluxe/Lib/Draw/CDrawWinForm.cs
index e6bfb1ed..d5309d25 100644
--- a/Vocaluxe/Lib/Draw/CDrawWinForm.cs
+++ b/Vocaluxe/Lib/Draw/CDrawWinForm.cs
@@ -173,6 +173,9 @@ namespace Vocaluxe.Lib.Draw
                         case 0xF100: // SC_KEYMENU
                             m.Result = IntPtr.Zero;
                             break;
+                        case 0xF140: // SC_SCREENSAVER
+                        case 0xF170: // SC_MONITORPOWER
+                            break;
                         default:
                             base.WndProc(ref m);
                             break;
diff --git a/Vocaluxe/Lib/Draw/COpenGL.cs b/Vocaluxe/Lib/Draw/COpenGL.cs
index cb00e26f..f80147d5 100644
--- a/Vocaluxe/Lib/Draw/COpenGL.cs
+++ b/Vocaluxe/Lib/Draw/COpenGL.cs
@@ -310,6 +310,9 @@ namespace Vocaluxe.Lib.Draw
                         case 0xF100: // SC_KEYMENU
                             m.Result = IntPtr.Zero;
                             break;
+                        case 0xF140: // SC_SCREENSAVER
+                        case 0xF170: // SC_MONITORPOWER
+                            break;
                         default:
                             base.WndProc(ref m);
                             break;