diff --git a/html/changelog.html b/html/changelog.html
index f2aff2cdf7f..1002b8d6cbf 100644
--- a/html/changelog.html
+++ b/html/changelog.html
@@ -56,6 +56,12 @@
 		-->
 		<div class="commit sansserif">
 
+			<h2 class="date">15 December 2017</h2>
+			<h3 class="author">uraniummeltdown updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="tweak">Plants no longer take twice as many cycles to age</li>
+			</ul>
+
 			<h2 class="date">05 December 2017</h2>
 			<h3 class="author">Kyep updated:</h3>
 			<ul class="changes bgimages16">
diff --git a/html/changelogs/.all_changelog.yml b/html/changelogs/.all_changelog.yml
index 0008b5c7605..ff5d220af03 100644
--- a/html/changelogs/.all_changelog.yml
+++ b/html/changelogs/.all_changelog.yml
@@ -5840,3 +5840,6 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
 2017-12-05:
   Kyep:
   - rscdel: Removed peacekeeper borgs.
+2017-12-15:
+  uraniummeltdown:
+  - tweak: Plants no longer take twice as many cycles to age
diff --git a/html/changelogs/AutoChangeLog-pr-8400.yml b/html/changelogs/AutoChangeLog-pr-8400.yml
deleted file mode 100644
index 04b790f82d7..00000000000
--- a/html/changelogs/AutoChangeLog-pr-8400.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-author: "uraniummeltdown"
-delete-after: True
-changes: 
-  - tweak: "Plants no longer take twice as many cycles to age"