diff --git a/plugins/UiConfig/media/js/ConfigStorage.coffee b/plugins/UiConfig/media/js/ConfigStorage.coffee
index bb0297fe..5f7bdbca 100644
--- a/plugins/UiConfig/media/js/ConfigStorage.coffee
+++ b/plugins/UiConfig/media/js/ConfigStorage.coffee
@@ -33,9 +33,9 @@ class ConfigStorage extends Class
 			return value
 
 	createSections: ->
+		# Web Interface
 		section = @createSection("Web Interface")
 
-		# Web Interface
 		section.items.push
 			key: "open_browser"
 			title: "Open web browser on ZeroNet startup"
@@ -108,6 +108,19 @@ class ConfigStorage extends Class
 			isHidden: =>
 				Page.values["trackers_proxy"] in ["tor", "disable"]
 
+		# Performance
+		section = @createSection("Performance")
+
+		section.items.push
+			key: "log_level"
+			title: "Level of logging to file"
+			type: "select"
+			options: [
+				{title: "Everything", value: "DEBUG"}
+				{title: "Only important messages", value: "INFO"}
+				{title: "Only errors", value: "ERROR"}
+			]
+
 	createSection: (title) =>
 		section = {}
 		section.title = title
diff --git a/plugins/UiConfig/media/js/all.js b/plugins/UiConfig/media/js/all.js
index 2baeb7c8..179b8079 100644
--- a/plugins/UiConfig/media/js/all.js
+++ b/plugins/UiConfig/media/js/all.js
@@ -1419,7 +1419,7 @@
           }
         ]
       });
-      return section.items.push({
+      section.items.push({
         title: "Custom socks proxy address for trackers",
         key: "trackers_proxy",
         type: "text",
@@ -1433,6 +1433,24 @@
           };
         })(this)
       });
+      section = this.createSection("Performance");
+      return section.items.push({
+        key: "log_level",
+        title: "Level of logging to file",
+        type: "select",
+        options: [
+          {
+            title: "Everything",
+            value: "DEBUG"
+          }, {
+            title: "Only important messages",
+            value: "INFO"
+          }, {
+            title: "Only errors",
+            value: "ERROR"
+          }
+        ]
+      });
     };
 
     ConfigStorage.prototype.createSection = function(title) {