diff --git a/src/ra2cd.mix/rulescd.ini b/src/ra2cd.mix/rulescd.ini
index ce4408d..3b2a825 100644
--- a/src/ra2cd.mix/rulescd.ini
+++ b/src/ra2cd.mix/rulescd.ini
@@ -101,8 +101,8 @@ PartyFormed=PartyFormed
 QuickMatchTimer=MenuBuild
 
 [BuildingTypes]
-# Use ids starting with 10000 to avoid collisions with original IDs or re-ordering indices
-10000=GAGATE_A ; was defined under OverlayTypes by mistake and was later fixed in YR
+# Use ids starting with 999999 to avoid collisions with original IDs or re-ordering indices
+999999=GAGATE_A ; was defined under OverlayTypes by mistake and was later fixed in YR
 
 [Animations]
 # Use ids starting with 10000 to avoid collisions with original IDs or re-ordering indices