diff --git a/OpenRA.Mods.Cnc/Traits/SupportPowers/DropPodsPower.cs b/OpenRA.Mods.Cnc/Traits/SupportPowers/DropPodsPower.cs
index cd709e2b13..e74a28e921 100644
--- a/OpenRA.Mods.Cnc/Traits/SupportPowers/DropPodsPower.cs
+++ b/OpenRA.Mods.Cnc/Traits/SupportPowers/DropPodsPower.cs
@@ -40,7 +40,7 @@ namespace OpenRA.Mods.Cnc.Traits
 		public readonly string EntryEffect = "podring";
 
 		[Desc("Effect sequence to display in the air.")]
-		[SequenceReference("Effect")]
+		[SequenceReference("EntryEffect")]
 		public readonly string EntryEffectSequence = "idle";
 
 		[PaletteReference]
diff --git a/OpenRA.Mods.Common/Traits/GainsExperience.cs b/OpenRA.Mods.Common/Traits/GainsExperience.cs
index 7e177709db..149a09a8fb 100644
--- a/OpenRA.Mods.Common/Traits/GainsExperience.cs
+++ b/OpenRA.Mods.Common/Traits/GainsExperience.cs
@@ -32,8 +32,8 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Image for the level up sprite.")]
 		public readonly string LevelUpImage = null;
 
-		[SequenceReference("Image")]
-		[Desc("Sequence for the level up sprite. Needs to be present on Image.")]
+		[SequenceReference("LevelUpImage")]
+		[Desc("Sequence for the level up sprite. Needs to be present on LevelUpImage.")]
 		public readonly string LevelUpSequence = "levelup";
 
 		[PaletteReference]
diff --git a/OpenRA.Mods.Common/Traits/Infantry/ScaredyCat.cs b/OpenRA.Mods.Common/Traits/Infantry/ScaredyCat.cs
index fe54c38460..814c95a185 100644
--- a/OpenRA.Mods.Common/Traits/Infantry/ScaredyCat.cs
+++ b/OpenRA.Mods.Common/Traits/Infantry/ScaredyCat.cs
@@ -28,7 +28,7 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Chance (out of 100) the unit has to enter panic mode when attacking.")]
 		public readonly int AttackPanicChance = 20;
 
-		[SequenceReference(null, true)]
+		[SequenceReference(prefix: true)]
 		public readonly string PanicSequencePrefix = "panic-";
 
 		public override object Create(ActorInitializer init) { return new ScaredyCat(init.Self, this); }
diff --git a/OpenRA.Mods.Common/Traits/Infantry/TakeCover.cs b/OpenRA.Mods.Common/Traits/Infantry/TakeCover.cs
index 0af1bb351c..de47497494 100644
--- a/OpenRA.Mods.Common/Traits/Infantry/TakeCover.cs
+++ b/OpenRA.Mods.Common/Traits/Infantry/TakeCover.cs
@@ -36,7 +36,7 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Muzzle offset modifier to apply while prone.")]
 		public readonly WVec ProneOffset = new WVec(500, 0, 0);
 
-		[SequenceReference(null, true)]
+		[SequenceReference(prefix: true)]
 		[Desc("Sequence prefix to apply while prone.")]
 		public readonly string ProneSequencePrefix = "prone-";
 
diff --git a/OpenRA.Mods.Common/Traits/Render/LeavesTrails.cs b/OpenRA.Mods.Common/Traits/Render/LeavesTrails.cs
index e4f887fcb1..744130990b 100644
--- a/OpenRA.Mods.Common/Traits/Render/LeavesTrails.cs
+++ b/OpenRA.Mods.Common/Traits/Render/LeavesTrails.cs
@@ -20,6 +20,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 	[Desc("Renders a sprite effect when leaving a cell.")]
 	public class LeavesTrailsInfo : ConditionalTraitInfo
 	{
+		[FieldLoader.Require]
 		public readonly string Image = null;
 
 		[SequenceReference("Image")]
diff --git a/OpenRA.Mods.Common/Traits/Render/WithDeathAnimation.cs b/OpenRA.Mods.Common/Traits/Render/WithDeathAnimation.cs
index 2bbda9e378..7c6ff20e1c 100644
--- a/OpenRA.Mods.Common/Traits/Render/WithDeathAnimation.cs
+++ b/OpenRA.Mods.Common/Traits/Render/WithDeathAnimation.cs
@@ -20,7 +20,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 	[Desc("This actor has a death animation.")]
 	public class WithDeathAnimationInfo : ConditionalTraitInfo, Requires<RenderSpritesInfo>
 	{
-		[SequenceReference(null, true)]
+		[SequenceReference(prefix: true)]
 		[Desc("Sequence prefix to play when this actor is killed by a warhead.")]
 		public readonly string DeathSequence = "die";
 
diff --git a/OpenRA.Mods.Common/Traits/Render/WithRepairOverlay.cs b/OpenRA.Mods.Common/Traits/Render/WithRepairOverlay.cs
index a4717f5c07..26c3578dac 100644
--- a/OpenRA.Mods.Common/Traits/Render/WithRepairOverlay.cs
+++ b/OpenRA.Mods.Common/Traits/Render/WithRepairOverlay.cs
@@ -18,7 +18,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 	[Desc("Displays an overlay when the building is being repaired by the player.")]
 	public class WithRepairOverlayInfo : PausableConditionalTraitInfo, Requires<RenderSpritesInfo>, Requires<BodyOrientationInfo>
 	{
-		[SequenceReference("Image")]
+		[SequenceReference]
 		[Desc("Sequence to use upon repair beginning.")]
 		public readonly string StartSequence = null;
 
@@ -26,7 +26,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 		[Desc("Sequence name to play once during repair intervals or repeatedly if a start sequence is set.")]
 		public readonly string Sequence = "active";
 
-		[SequenceReference("Image")]
+		[SequenceReference]
 		[Desc("Sequence to use after repairing has finished.")]
 		public readonly string EndSequence = null;