diff --git a/mods/ra/weapons/other.yaml b/mods/ra/weapons/other.yaml
index 32b043dc06..38401f09bd 100644
--- a/mods/ra/weapons/other.yaml
+++ b/mods/ra/weapons/other.yaml
@@ -100,7 +100,8 @@ Grenade:
 			None: 50
 			Wood: 100
 			Light: 25
-			Heavy: 5
+			Heavy: 25
+			Concrete: 100
 		DamageTypes: Prone50Percent, TriggerProne, SmallExplosionDeath
 	Warhead@2Smu: LeaveSmudge
 		SmudgeType: Crater