Index: intern/ghost/GHOST_Types.h
===================================================================
--- source/blender/editors/interface/view2d_ops.c	(revision 24467)
+++ source/blender/editors/interface/view2d_ops.c	(working copy)
@@ -1418,6 +1418,9 @@
@@ -1418,12 +1418,15 @@
 	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_right", WHEELDOWNMOUSE, KM_PRESS, KM_CTRL, 0);
 	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_left", WHEELUPMOUSE, KM_PRESS, KM_CTRL, 0);
 	
-	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_down", WHEELDOWNMOUSE, KM_PRESS, KM_SHIFT, 0);
-	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_up", WHEELUPMOUSE, KM_PRESS, KM_SHIFT, 0);
+	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_right", WHEELRIGHTMOUSE, KM_PRESS, 0, 0);
+	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_left", WHEELLEFTMOUSE, KM_PRESS, 0, 0);
+	
+	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_down", WHEELDOWNMOUSE, KM_PRESS, 0, 0);
+	WM_keymap_add_item(keymap, "VIEW2D_OT_scroll_up", WHEELUPMOUSE, KM_PRESS, 0, 0);
 	
 	/* zoom - single step */
-	WM_keymap_add_item(keymap, "VIEW2D_OT_zoom_out", WHEELOUTMOUSE, KM_PRESS, 0, 0);
-	WM_keymap_add_item(keymap, "VIEW2D_OT_zoom_in", WHEELINMOUSE, KM_PRESS, 0, 0);
+	WM_keymap_add_item(keymap, "VIEW2D_OT_zoom_out", WHEELOUTMOUSE, KM_PRESS, KM_SHIFT, 0);
+	WM_keymap_add_item(keymap, "VIEW2D_OT_zoom_in", WHEELINMOUSE, KM_PRESS, KM_SHIFT, 0);
 	WM_keymap_add_item(keymap, "VIEW2D_OT_zoom_out", PADMINUS, KM_PRESS, 0, 0);
 	WM_keymap_add_item(keymap, "VIEW2D_OT_zoom_in", PADPLUSKEY, KM_PRESS, 0, 0);