diff --git a/src/xfns.c b/src/xfns.c
index ab04396703e..b9b396382b1 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -2785,7 +2785,7 @@ xic_set_preeditarea (struct window *w, int x, int y)
   XVaNestedList attr;
   XPoint spot;
 
-  spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x) + WINDOW_LEFT_FRINGE_WIDTH (w);
+  spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x) + WINDOW_LEFT_FRINGE_WIDTH (w) + WINDOW_LEFT_MARGIN_WIDTH(w);
   spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f));
   attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
   XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL);