Index: smallmap_gui.c
===================================================================
--- smallmap_gui.c	(revision 7130)
+++ smallmap_gui.c	(working copy)
@@ -699,8 +699,8 @@
 					(v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) == 0) {
 				// Remap into flat coordinates.
 				Point pt = RemapCoords(
-					(v->x_pos - WP(w,smallmap_d).scroll_x) / 16,
-					(v->y_pos - WP(w,smallmap_d).scroll_y) / 16,
+					(v->x_pos/16) - (WP(w,smallmap_d).scroll_x/16),
+					(v->y_pos/16) - (WP(w,smallmap_d).scroll_y/16),
 					0);
 				x = pt.x;
 				y = pt.y;