diff --git a/apps/openseachart/custom.html b/apps/openseachart/custom.html
index aba93542b..d7e0172cf 100644
--- a/apps/openseachart/custom.html
+++ b/apps/openseachart/custom.html
@@ -186,10 +186,10 @@ TODO:
         var canvas = document.getElementById("maptiles");
         canvas.style.display="";
         var ctx = canvas.getContext('2d');
-        canvas.width = OSMTILESIZE*2;
-        canvas.height = OSMTILESIZE*2;
-        for (var i = 0; i < 3; i++) {
-            for (var j = 0; j < 3; j++) {
+        canvas.width = 912;//OSMTILESIZE*2;
+        canvas.height = 912;//OSMTILESIZE*2;
+        for (var i = 0; i < 0; i++) {
+            for (var j = 0; j < 0; j++) {
               (function(i,j){
                 var coords = new L.Point(center.x+i-1, center.y+j-1);
                 coords.z = zoom;
@@ -197,7 +197,7 @@ TODO:
                 img.crossOrigin = "Anonymous";
                 tileGetters.push(new Promise(function(resolve,reject) {
                   img.onload = function(){
-                    ctx.drawImage(img,i*OSMTILESIZE - ox, j*OSMTILESIZE - oy);
+                    ctx.drawImage(img, 0, 0);//i*OSMTILESIZE - ox, j*OSMTILESIZE - oy);
                     /*if (testPt) {
                       ctx.fillStyle="green";
                       ctx.fillRect(testPt.x-1, testPt.y-5, 3,10);
@@ -207,7 +207,7 @@ TODO:
                   };
                 }));
                 bangleTileLayer._tileZoom = previewTileLayer._tileZoom;
-                img.src = bangleTileLayer.getTileUrl(coords);
+                img.src = 'http://sandshore.duckdns.org:2552/boca_ciega_cr.png';
               })(i,j);
             }
         }
@@ -216,7 +216,7 @@ TODO:
         Promise.all(tileGetters).then(() => {
           document.getElementById("uploadbuttons").style.display="";
           mapFiles = tilesLoaded(ctx, canvas.width, canvas.height);
-          mapFiles.unshift({name:"seachart.json",content:JSON.stringify({
+          mapFiles.unshift({name:"openseachart.json",content:JSON.stringify({
             imgx : canvas.width,
             imgy : canvas.height,
             tilesize : TILESIZE,