Index: uspace/app/uidemo/uidemo.c
===================================================================
--- uspace/app/uidemo/uidemo.c	(revision 112f70a954ab0bd1801d55fb58bb8bc3a3a58473)
+++ uspace/app/uidemo/uidemo.c	(revision fa942bc9c6581aa84672cd07f110897ad1defeca)
@@ -288,5 +288,5 @@
 	pos = ui_scrollbar_get_pos(scrollbar);
 	ui_scrollbar_set_pos(scrollbar, pos -
-	    ui_scrollbar_through_length(scrollbar) / 4);
+	    ui_scrollbar_trough_length(scrollbar) / 4);
 
 	pos = ui_scrollbar_get_pos(scrollbar);
@@ -305,5 +305,5 @@
 	pos = ui_scrollbar_get_pos(scrollbar);
 	ui_scrollbar_set_pos(scrollbar, pos +
-	    ui_scrollbar_through_length(scrollbar) / 4);
+	    ui_scrollbar_trough_length(scrollbar) / 4);
 
 	pos = ui_scrollbar_get_pos(scrollbar);
@@ -1270,5 +1270,5 @@
 
 	ui_scrollbar_set_thumb_length(demo.hscrollbar,
-	    ui_scrollbar_through_length(demo.hscrollbar) / 4);
+	    ui_scrollbar_trough_length(demo.hscrollbar) / 4);
 
 	rc = ui_fixed_add(demo.bfixed, ui_scrollbar_ctl(demo.hscrollbar));
@@ -1302,5 +1302,5 @@
 
 	ui_scrollbar_set_thumb_length(demo.vscrollbar,
-	    ui_scrollbar_through_length(demo.vscrollbar) / 4);
+	    ui_scrollbar_trough_length(demo.vscrollbar) / 4);
 
 	rc = ui_fixed_add(demo.bfixed, ui_scrollbar_ctl(demo.vscrollbar));