diff --git a/mods/ra/rules/vehicles.yaml b/mods/ra/rules/vehicles.yaml
index 62574ff50a..c36ff12437 100644
--- a/mods/ra/rules/vehicles.yaml
+++ b/mods/ra/rules/vehicles.yaml
@@ -672,6 +672,7 @@ CTNK:
 		LocalYaw: -100
 	AttackFrontal:
 	PortableChrono:
+		ChargeDelay: 300
 	ProducibleWithLevel:
 		Prerequisites: vehicles.upgraded