--- drivers/input/mouse/logips2pp.c.O	2004-07-29 10:45:27.000000000 +0300
+++ drivers/input/mouse/logips2pp.c	2004-07-29 10:45:35.000000000 +0300
@@ -295,11 +295,15 @@
 			psmouse->vendor = "Logitech";
 			psmouse->model = model;
 
-			if (buttons < 3)
+			/* the condition below patched; see http://www.mummila.net/nuudelisoppa/2004/05/solved-middle-mouse-button-kernel-26.html */
+			/* if (buttons < 3)
 				clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
-			if (buttons < 2)
+				*/
+			if (buttons < 2) {
 				clear_bit(BTN_RIGHT, psmouse->dev.keybit);
-
+				clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
+			}
+			/* end of patched condition */
 			if (model_info)
 				ps2pp_set_model_properties(psmouse, model_info);
 		}