diff --git a/mods/ca/rules/powers.yaml b/mods/ca/rules/powers.yaml
index 6a12298ecb..9afe30b92c 100644
--- a/mods/ca/rules/powers.yaml
+++ b/mods/ca/rules/powers.yaml
@@ -1708,6 +1708,7 @@
 		Prerequisites: ~!player.collector
 		SupportPowerPaletteOrder: 20
 		Condition: suppression
+		MaxAltitude: 4096
 		MinTargets: 1
 		ValidTargets: Ground, Air, AirSmall, Ship
 		ValidRelationships: Ally, Enemy, Neutral
@@ -1737,6 +1738,7 @@
 		Prerequisites: ~player.collector
 		SupportPowerPaletteOrder: 20
 		Condition: suppression
+		MaxAltitude: 4096
 		MinTargets: 1
 		ValidTargets: Ground, Air, AirSmall, Ship
 		ValidRelationships: Ally, Enemy, Neutral