diff --git a/desktop/sources/scripts/dotgrid.js b/desktop/sources/scripts/dotgrid.js
index ef88793..5450f32 100644
--- a/desktop/sources/scripts/dotgrid.js
+++ b/desktop/sources/scripts/dotgrid.js
@@ -367,8 +367,9 @@ function Dotgrid(width,height,grid_x,grid_y,block_x,block_y)
 
   this.preview = function(operation)
   {
-    if(this.preview_prev == operation){ return; }
-    this.preview_el.innerHTML = !operation ? `<path d='M0,0'></path>` : `<path d='${dotgrid.tool.path(dotgrid.tool.index,[{type:operation,verteces:dotgrid.tool.verteces}])}'></path>`;
+    if(this.preview_prev == operation ){ return; }
+
+    this.preview_el.innerHTML = !operation || operation == "close" ? `<path d='M0,0'></path>` : `<path d='${dotgrid.tool.path(dotgrid.tool.index,[{type:operation,verteces:dotgrid.tool.verteces}])}'></path>`;
     this.preview_prev = operation;
   }
 
diff --git a/desktop/sources/scripts/picker.js b/desktop/sources/scripts/picker.js
index f123d5e..08cf368 100644
--- a/desktop/sources/scripts/picker.js
+++ b/desktop/sources/scripts/picker.js
@@ -7,7 +7,7 @@ function Picker()
 
   this.start = function()
   {
-    this.el.setAttribute("placeholder",`#${dotgrid.tool.style().color} ${dotgrid.width}x${dotgrid.height}`)
+    this.el.setAttribute("placeholder",`${dotgrid.tool.style().color} ${dotgrid.width}x${dotgrid.height}`)
 
     dotgrid.controller.set("picker");
     dotgrid.interface.el.className = "picker"