diff --git a/.github/alternate_byond_versions.txt b/.github/alternate_byond_versions.txt
index 32810febc160..f25861c46714 100644
--- a/.github/alternate_byond_versions.txt
+++ b/.github/alternate_byond_versions.txt
@@ -6,4 +6,4 @@
 # Example:
 # 500.1337: runtimestation
 
-515.1609: lv624
+515.1603: lv624