diff --git a/mods/cnc/rules/player.yaml b/mods/cnc/rules/player.yaml
index 4aefc5b2d9..b39e206db6 100644
--- a/mods/cnc/rules/player.yaml
+++ b/mods/cnc/rules/player.yaml
@@ -40,6 +40,9 @@ Player:
 		Notification: BaseAttack
 		TextNotification: notification-base-under-attack
 		AllyTextNotification: notification-ally-under-attack
+	DamageNotifier@Unit:
+		InvalidTargets: Structure
+		NotifyInterval: 10000
 	Shroud:
 		FogCheckboxDisplayOrder: 3
 	LobbyPrerequisiteCheckbox@GLOBALFACTUNDEPLOY:
diff --git a/mods/d2k/rules/player.yaml b/mods/d2k/rules/player.yaml
index 4ed58dbd78..1ad3d01800 100644
--- a/mods/d2k/rules/player.yaml
+++ b/mods/d2k/rules/player.yaml
@@ -124,6 +124,9 @@ Player:
 		Notification: BaseAttack
 		TextNotification: notification-base-under-attack
 		AllyTextNotification: notification-ally-under-attack
+	DamageNotifier@Unit:
+		InvalidTargets: Structure
+		NotifyInterval: 10000
 	Shroud:
 		FogCheckboxDisplayOrder: 3
 	LobbyPrerequisiteCheckbox@AUTOCONCRETE:
diff --git a/mods/ra/rules/player.yaml b/mods/ra/rules/player.yaml
index ed9b09282f..1325ca3b41 100644
--- a/mods/ra/rules/player.yaml
+++ b/mods/ra/rules/player.yaml
@@ -150,6 +150,9 @@ Player:
 		Notification: BaseAttack
 		TextNotification: notification-base-under-attack
 		AllyTextNotification: notification-ally-under-attack
+	DamageNotifier@Unit:
+		InvalidTargets: Structure
+		NotifyInterval: 10000
 	PlayerStatistics:
 	PlaceBeacon:
 	ProvidesTechPrerequisite@infonly:
diff --git a/mods/ts/rules/player.yaml b/mods/ts/rules/player.yaml
index 9639eeff78..33225902e6 100644
--- a/mods/ts/rules/player.yaml
+++ b/mods/ts/rules/player.yaml
@@ -119,6 +119,9 @@ Player:
 		TextNotification: notification-base-under-attack
 		AllyTextNotification: notification-ally-under-attack
 		AllyNotification: OurAllyIsUnderAttack
+	DamageNotifier@Unit:
+		InvalidTargets: Building
+		NotifyInterval: 10000
 	HarvesterAttackNotifier:
 		TextNotification: notification-harvester-under-attack
 	PlayerStatistics: