diff --git a/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.lua b/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.lua
index 14201f115..9675ed74f 100644
--- a/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.lua	
+++ b/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.lua	
@@ -88,7 +88,7 @@ local Scoring = SCORING:New( "SEAD" )
 Mission:AddScoring( Scoring )
 
 -- Define the set of group of planes that can be assigned to the Mission object.
-local SEADSet = SET_GROUP:New():FilterPrefixes( "Test SEAD"):FilterOnce()
+local SEADSet = SET_GROUP:New():FilterPrefixes( "Test SEAD"):FilterStart()
 SEADSet:Flush()
 
 -- Define the set of units that are the targets.
diff --git a/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.miz b/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.miz
index 0714d75a1..ba09d342b 100644
Binary files a/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.miz and b/Moose Test Missions/TSK - Task Modelling/TSK-010 - Task Modelling - SEAD/TSK-010 - Task Modelling - SEAD.miz differ