diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index b2ebec1f32..5e24db5749 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -712,7 +712,7 @@
 ^ScienceBuilding:
 	Inherits: ^Building
 	SpawnActorsOnSell:
-		ActorTypes: e1,e1,e1,e1,tecn,tecn2,tecn,tecn2,tecn,tecn2,tecn,tecn2,tecn,tecn2,e6,e6,e6,e6,e6,chan,chan,chan,chan
+		ActorTypes: e1,e1,e1,e1,tecn,tecn2,tecn,tecn2,tecn,tecn2,tecn,tecn2,tecn,tecn2,e6,e6,e6,e6,e6,c10,c10,c10,c10
 
 ^Defense:
 	Inherits: ^Building