diff --git a/mods/delete_all_of_element.js b/mods/delete_all_of_element.js
index 7f433580..8080074f 100644
--- a/mods/delete_all_of_element.js
+++ b/mods/delete_all_of_element.js
@@ -2,9 +2,9 @@ elements.delete_all_of_element = {
 	name: "delete all of element",
 	color: ["#a7a7a7", "#a7a7a7", "#a7a7a7", "#a7a7a7", "#000000", "#000000", "#000000", "#000000"],
 	tool: function(pixel) {
-		for (var i = 1; i < width; i++) {
-			for (var j = 1; j < height; j++) {
-				if (!isEmpty(i,j)) {
+		for (var i = 0; i <= width; i++) {
+			for (var j = 0; j <= height; j++) {
+				if (!isEmpty(i,j,true)) {
 					if(pixelMap[i][j].element == pixel.element) {
 						deletePixel(i,j)
 					}