diff --git a/html/changelogs/AutoChangeLog-pr-604.yml b/html/changelogs/AutoChangeLog-pr-604.yml
new file mode 100644
index 00000000000..db99a884694
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+++ b/html/changelogs/AutoChangeLog-pr-604.yml
@@ -0,0 +1,4 @@
+author: "SkyratBot"
+delete-after: True
+changes: 
+  - bugfix: "Alien larva can no longer evolve in vents and become stuck."