diff --git a/map_gen/Diggy/Config.lua b/map_gen/Diggy/Config.lua
index e2ce8c83..5d44b2ec 100644
--- a/map_gen/Diggy/Config.lua
+++ b/map_gen/Diggy/Config.lua
@@ -76,7 +76,7 @@ local Config = {
             enabled = true,
 
             -- value between 0 and 1, higher value means stronger variance between coordinates
-            noise_variance = 0.089,
+            noise_variance = 0.066,
 
             -- adds per tile what the current noise is
             enable_noise_grid = false,
@@ -84,10 +84,8 @@ local Config = {
             -- minimum distance and noise range required for water to spawn
             room_noise_minimum_distance = 9,
             room_noise_ranges = {
-                {name = 'water', min = -1, max = -0.52},
-                {name = 'dirt', min = -0.51, max = -0.33},
-                {name = 'water', min = 0.52, max = 1},
-                {name = 'dirt', min = 0.33, max = 0.51},
+                {name = 'water', min = 0.54, max = 1},
+                {name = 'dirt', min = 0.39, max = 0.53},
             },
         },
         ScatteredResources = {
@@ -186,8 +184,8 @@ local Config = {
 
                 {stone = 450, type = 'buff', prototype = {name = 'mining_speed', value = 5}},
                 {stone = 450, type = 'buff', prototype = {name = 'inventory_slot', value = 2}},
-                {stone = 450, type = 'market', prototype = {price = 1000, name = 'submachine-gun'}},
-                {stone = 450, type = 'market', prototype = {price = 100, name = 'firearm-magazine'}},
+                {stone = 450, type = 'market', prototype = {price = 850, name = 'submachine-gun'}},
+                {stone = 450, type = 'market', prototype = {price = 50, name = 'firearm-magazine'}},
                 {stone = 450, type = 'market', prototype = {price = 500, name = 'light-armor'}},
 
                 {stone = 750, type = 'buff', prototype = {name = 'mining_speed', value = 5}},
@@ -207,7 +205,7 @@ local Config = {
 
                 {stone = 10000, type = 'buff', prototype = {name = 'mining_speed', value = 5}},
                 {stone = 10000, type = 'buff', prototype = {name = 'inventory_slot', value = 1}},
-                {stone = 10000, type = 'market', prototype = {price = 175, name = 'piercing-rounds-magazine'}},
+                {stone = 10000, type = 'market', prototype = {price = 100, name = 'piercing-rounds-magazine'}},
                 {stone = 10000, type = 'market', prototype = {price = 750, name = 'heavy-armor'}},
 
                 {stone = 15000, type = 'buff', prototype = {name = 'mining_speed', value = 5}},
diff --git a/map_gen/Diggy/Feature/MarketExchange.lua b/map_gen/Diggy/Feature/MarketExchange.lua
index 2307248f..1b03f306 100644
--- a/map_gen/Diggy/Feature/MarketExchange.lua
+++ b/map_gen/Diggy/Feature/MarketExchange.lua
@@ -125,29 +125,6 @@ local function on_research_finished(event)
     update_mining_speed(force)
 end
 
-local function on_market_item_purchased(event)
-    if (1 ~= event.offer_index) then
-        return
-    end
-
-    stone_tracker.previous_stone_sent_to_surface = stone_tracker.stone_sent_to_surface
-    stone_tracker.stone_sent_to_surface = stone_tracker.stone_sent_to_surface + (config.stone_to_surface_amount * event.count)
-
-    update_market_contents(event.market)
-end
-
-local function on_placed_entity(event)
-    if ('market' ~= event.entity.name) then
-        return
-    end
-
-    update_market_contents(event.entity)
-end
-
-function MarketExchange.get_extra_map_info(config)
-    return 'Market Exchange, trade your stone or send it to the surface'
-end
-
 local function redraw_title(data)
     data.frame.caption = stone_tracker.stone_sent_to_surface .. ' stone sent to the surface'
 end
@@ -181,6 +158,37 @@ local function redraw_list(data)
     end
 end
 
+local function on_market_item_purchased(event)
+    if (1 ~= event.offer_index) then
+        return
+    end
+
+    stone_tracker.previous_stone_sent_to_surface = stone_tracker.stone_sent_to_surface
+    stone_tracker.stone_sent_to_surface = stone_tracker.stone_sent_to_surface + (config.stone_to_surface_amount * event.count)
+
+    update_market_contents(event.market)
+
+    local frame = game.players[event.player_index].gui.center['Diggy.MarketExchange.Frame']
+
+    if frame and frame.valid then
+        local data = Gui.get_data(frame)
+        redraw_title(data)
+        redraw_list(data)
+    end
+end
+
+local function on_placed_entity(event)
+    if ('market' ~= event.entity.name) then
+        return
+    end
+
+    update_market_contents(event.entity)
+end
+
+function MarketExchange.get_extra_map_info(config)
+    return 'Market Exchange, trade your stone or send it to the surface'
+end
+
 local function toggle(event)
     local player = event.player
     local center = player.gui.center
diff --git a/map_gen/Diggy/Feature/SimpleRoomGenerator.lua b/map_gen/Diggy/Feature/SimpleRoomGenerator.lua
index 186e0d7a..210cd3ab 100644
--- a/map_gen/Diggy/Feature/SimpleRoomGenerator.lua
+++ b/map_gen/Diggy/Feature/SimpleRoomGenerator.lua
@@ -17,7 +17,7 @@ local SimpleRoomGenerator = {}
 local noise_used_map = {}
 
 Global.register({
-    noise_used_map_map = noise_used_map,
+    noise_used_map = noise_used_map,
 }, function(tbl)
     noise_used_map = tbl.noise_used_map
 end)