diff --git a/src/ex_getln.c b/src/ex_getln.c
index 770daa9..d3119ba 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -2221,7 +2221,7 @@
 	case K_HOR_SCROLLBAR:
 		if (msg_scrolled == 0)
 		{
-		    gui_do_horiz_scroll(scrollbar_value, FALSE);
+		    do_mousescroll_horiz(scrollbar_value);
 		    redrawcmd();
 		}
 		goto cmdline_not_changed;