diff --git a/modules/ui/burgs-editor.js b/modules/ui/burgs-editor.js
index 6cc55dc5..d3e8ad1f 100644
--- a/modules/ui/burgs-editor.js
+++ b/modules/ui/burgs-editor.js
@@ -73,7 +73,7 @@ function editBurgs() {
       const province = prov ? pack.provinces[prov].name : "";
       const culture = pack.cultures[b.culture].name;
 
-      lines += `<div class="states" data-id=${b.i} data-name=${b.name} data-state=${state} data-province=${province} data-culture=${culture} data-population=${population} data-type=${type}>
+      lines += `<div class="states" data-id=${b.i} data-name="${b.name}" data-state="${state}" data-province="${province}" data-culture="${culture}" data-population=${population} data-type="${type}">
         <span data-tip="Click to zoom into view" class="icon-dot-circled pointer"></span>
         <input data-tip="Burg name. Click and type to change" class="burgName" value="${b.name}" autocorrect="off" spellcheck="false">
         <input data-tip="Burg province" class="burgState" value="${province}" disabled>
diff --git a/modules/ui/coastline-editor.js b/modules/ui/coastline-editor.js
index ba8ea663..0a604da8 100644
--- a/modules/ui/coastline-editor.js
+++ b/modules/ui/coastline-editor.js
@@ -32,7 +32,8 @@ function editCoastline(node = d3.event.target) {
     const f = +elSelected.attr("data-f"); // feature id
     const v = pack.features[f].vertices; // coastline outer vertices
 
-    const c = [... new Set(v.map(v => pack.vertices.c[v]).flat())];
+    const l = pack.cells.i.length;
+    const c = [... new Set(v.map(v => pack.vertices.c[v]).flat())].filter(c => c < l);
     debug.select("#vertices").selectAll("polygon").data(c).enter().append("polygon")
       .attr("points", d => getPackPolygon(d)).attr("data-c", d => d);