diff --git a/changelog.txt b/changelog.txt
index 01f469d..aee7407 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.5.1
+Date: 2021-01-19
+  Fixes:
+    - Fix issue with richness scaling too fast
+---------------------------------------------------------------------------------------------------
 Version: 0.5.0
 Date: 2021-01-15
   Changes:
diff --git a/info.json b/info.json
index edf09f9..6f1115c 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzzirconium",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "factorio_version": "1.1",
     "title": "Zirconium",
     "author": "Brevven",
diff --git a/zircon.lua b/zircon.lua
index c7a435b..29570e6 100644
--- a/zircon.lua
+++ b/zircon.lua
@@ -85,8 +85,9 @@ local richness = data.raw.resource["zircon"].autoplace.richness_expression
 
 -- Modify lead autoplace richness: 
 -- After 200 tiles it's standard
--- Up to 100 tiles, it scales up
+-- Up to 200 tiles, it scales up
 data.raw.resource["zircon"].autoplace.richness_expression = 
   richness * noise.if_else_chain(
-      not noise.less_than(noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")), noise.to_noise_expression(200)), 1,
-      (noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")) + 50)/250)
+      noise.less_than(noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")), noise.to_noise_expression(200)),
+      (noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")) + 50)/250,
+      1)