diff --git a/evoGUI.lua b/evoGUI.lua
index eb05833..4dbd5dc 100644
--- a/evoGUI.lua
+++ b/evoGUI.lua
@@ -10,12 +10,14 @@ require "remote"
 if not evogui then evogui = {} end
 if not evogui.on_click then evogui.on_click = {} end
 
-evogui.update_delay = 60 -- ticks to wait between each GUI update
 local EXPECTED_VERSION = "{{VERSION}}"
 
 
 function evogui.update_gui()
-    if (game.tick % evogui.update_delay) == 0 then
+    if not global.settings then global.settings = {} end
+    if not global.settings.update_delay then global.settings.update_delay = 60 end
+
+    if (game.tick % global.settings.update_delay) == 0 then
         for i, player in ipairs(game.players) do
             evogui.create_player_globals(player)
             evogui.create_sensor_display(player)
diff --git a/locale/en/locale.cfg b/locale/en/locale.cfg
index 72d47a4..c808b2d 100644
--- a/locale/en/locale.cfg
+++ b/locale/en/locale.cfg
@@ -26,6 +26,12 @@ sensor.pollution_around_player.format=Pollution: __1__ PU.
 
 settings_title=EvoGUI settings
 
+settings.core_settings.title=Core settings (shared)
+settings.core_settings.update_freq_left=Update EvoGUI every
+settings.core_settings.update_freq_right=ticks (60 ticks = 1 second)
+
+settings.sensors_frame.title=Sensor settings
+
 settings_always_visible=Always visible
 settings_in_popup=Visible in popup
 
diff --git a/settingsGUI.lua b/settingsGUI.lua
index ad2b418..26979f4 100644
--- a/settingsGUI.lua
+++ b/settingsGUI.lua
@@ -4,6 +4,7 @@ if not evogui then evogui = {} end
 if not evogui.on_click then evogui.on_click = {} end
 
 if not global.evogui then global.evogui = {} end
+if not global.settings then global.settings = {} end
 
 
 local function toggle_always_visible(event)
@@ -113,7 +114,26 @@ function evogui.on_click.evoGUI_settings(event)
                                        direction="vertical",
                                        name="evoGUI_settingsGUI",
                                        caption={"settings_title"}}
-    local table = root.add{type="table", colspan=4}
+
+    local core_settings = root.add{type="frame",
+                                   name="core_settings",
+                                   caption={"settings.core_settings.title"},
+                                   direction="vertical",
+                                   style="naked_frame_style"}
+
+    local update_freq_flow = core_settings.add{type="flow", name="update_freq_flow", direction="horizontal"}
+    update_freq_flow.add{type="label", caption={"settings.core_settings.update_freq_left"}}
+    local textfield = update_freq_flow.add{type="textfield", name="textfield", style="number_textfield_style"}
+    textfield.text=tostring(global.settings.update_delay)
+    update_freq_flow.add{type="label", caption={"settings.core_settings.update_freq_right"}}
+
+    local sensors_frame = root.add{type="frame",
+                                   name="sensors_frame",
+                                   caption={"settings.sensors_frame.title"},
+                                   direction="vertical",
+                                   style="naked_frame_style"}
+
+    local table = sensors_frame.add{type="table", name="table", colspan=4}
 
     for _, sensor in ipairs(evogui.value_sensors) do
         add_sensor_table_row(table, sensor, player_data.always_visible, player_data.in_popup)
@@ -123,7 +143,7 @@ function evogui.on_click.evoGUI_settings(event)
         add_sensor_table_row(table, sensor, player_data.always_visible, player_data.in_popup)
     end
 
-    local buttons = root.add{type="flow", direction="horizontal"}
+    local buttons = root.add{type="flow", name="buttons", direction="horizontal"}
     buttons.add{type="button", name="evoGUI_settings_close", caption={"settings_close"}}
 end
 
@@ -131,6 +151,11 @@ end
 function evogui.on_click.evoGUI_settings_close(event)
     local player = game.get_player(event.player_index)
 
+    local new_update_freq = tonumber(player.gui.center.evoGUI_settingsGUI.core_settings.update_freq_flow.textfield.text)
+    if new_update_freq ~= nil then
+        global.settings.update_delay = new_update_freq
+    end
+
     if player.gui.center.evoGUI_settingsGUI ~= nil then
         player.gui.center.evoGUI_settingsGUI.destroy()
     end