diff --git a/changelog.txt b/changelog.txt
index 6eb3a2f..218efbc 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,7 @@ Version: 0.1.5
 Date: 2021-01-24
   Changes: 
     - Lead used to make colored items for some mods.
+    - Update Krastorio 2 matter tech icon.
 ---------------------------------------------------------------------------------------------------
 Version: 0.1.4
 Date: 2021-01-22
diff --git a/lead-matter.lua b/lead-matter.lua
index 7165681..749c95a 100644
--- a/lead-matter.lua
+++ b/lead-matter.lua
@@ -11,12 +11,12 @@ data:extend(
     {
       {
         icon =   "__Krastorio2__/graphics/technologies/matter-stone.png",
-        icon_size = 128,
+        icon_size = 256,
       },
       {
         icon = "__bzlead__/graphics/icons/lead-ore.png",
         icon_size = 64,
-        scale = 0.85,
+        scale = 1.25,
       }
     },
     prerequisites = {"kr-matter-processing"},