diff --git a/data/campaigns/Eastern_Invasion/scenarios/12.Captured.cfg b/data/campaigns/Eastern_Invasion/scenarios/12.Captured.cfg
index a5038d0ddd5..be3a70736a6 100644
--- a/data/campaigns/Eastern_Invasion/scenarios/12.Captured.cfg
+++ b/data/campaigns/Eastern_Invasion/scenarios/12.Captured.cfg
@@ -97,7 +97,7 @@ victory_when_enemies_defeated=no
 	side=3
 	no_leader=yes
 		[ai]
-		aggression=100.0
+		aggression=1.0	# An insanely aggressive guardian :-)
 		[/ai]
 	team_name=bad
 	[/side]