diff --git a/modules/ui/burg-editor.js b/modules/ui/burg-editor.js
index da68ad20..8e65c157 100644
--- a/modules/ui/burg-editor.js
+++ b/modules/ui/burg-editor.js
@@ -316,18 +316,8 @@ function editBurg(id) {
         const p2 = cells.p[cells.haven[i]];
         let deg = Math.atan2(p2[1] - p1[1], p2[0] - p1[0]) * 180 / Math.PI - 90;
         if (deg < 0) deg += 360;
-        let norm = rn(normalize(deg, 0, 360) * 8) / 4;
+        let norm = rn(normalize(deg, 0, 360) * 2, 3);
         if (norm === 2) norm = 0;
-        switch(norm) {
-          case 0 : return "&southSea=1";
-          case 0.25 : return "&southSea=1&westSea=1";
-          case 0.50 : return "&westSea=1";
-          case 0.75 : return "&westSea=1&northSea=1";
-          case 1 : return "&northSea=1";
-          case 1.25 : return "&northSea=1&eastSea=1";
-          case 1.5 : return "&eastSea=1";
-          case 1.75 : return "&eastSea=1&southSea=1";
-        }
         return "&sea="+norm;
         // debug.selectAll("*").remove();
         // pack.burgs.filter(b => b.port).forEach(b => {