No comment.

static/main.js

@@ -61,6 +61,10 @@ Date.prototype.yyyymmdd = function(time) { // http://stackoverflow.com/questions
 	return this.getFullYear()+""+mm+""+dd+ ""; // padding
 };
 var date = new Date();
+String.prototype.replaceAll = function(search, replacement) {
+    var target = this;
+    return target.split(search).join(replacement);
+};
 
 // image data
 // key is the name of the item in the database, value is the name of the image on wiki.factorio.com/images/*

static/storage.js

@@ -9,7 +9,7 @@ function drawcontents(data) {
 		} else if(imagelinks[data[i].name]) {
 			img = imagelinks[data[i].name];
 		} else {
-			img = "https://wiki.factorio.com/images/" + capitalizeFirstLetter(data[i].name.replace('-','_')) + ".png";
+			img = "https://wiki.factorio.com/images/" + capitalizeFirstLetter(data[i].name.replaceAll('-','_')) + ".png";
 		}
 		var searchField = document.querySelector("#search");
 		if(!searchField.value || data[i].name.includes(searchField.value)) {