diff --git a/src/lib/subs/mission.c b/src/lib/subs/mission.c
index 27599f3e..5765665d 100644
--- a/src/lib/subs/mission.c
+++ b/src/lib/subs/mission.c
@@ -936,7 +936,7 @@ oprange(struct genitem *gp, int type, int *radius)
 	if (plchr[(int)plane.pln_type].pl_flags & P_M)
 	    range = plane.pln_range;
 	else
-	    range = ldround((double)plane.pln_range / 2.0, 1);;
+	    range = plane.pln_range / 2;
 	break;
     default:
 	CANT_HAPPEN("bad TYPE");