diff --git a/resources/knob04.png b/resources/knob04.png
new file mode 100644
index 000000000..0e3af11c8
Binary files /dev/null and b/resources/knob04.png differ
diff --git a/src/widgets/knob.cpp b/src/widgets/knob.cpp
index 47062ac32..a83e7863b 100644
--- a/src/widgets/knob.cpp
+++ b/src/widgets/knob.cpp
@@ -238,6 +238,14 @@ void knob::drawKnob( QPainter * _p )
 					(int)( ym - ca*re ) + 1 );
 			break;
 		}
+		case knobGreen_17:
+		{
+			_p->setPen( QPen( QColor( 0, 200, 0 ), 2 ) );
+			_p->drawLine( (int)( xm-sa ), (int)( ym-ca ),
+					(int)( xm - sa*radius ),
+					(int)( ym - ca*radius ) );
+			break;
+		}
 	}
 }