diff --git a/mods/d2k/weapons/largeguns.yaml b/mods/d2k/weapons/largeguns.yaml
index 3c388cd19c..1e5b476b46 100644
--- a/mods/d2k/weapons/largeguns.yaml
+++ b/mods/d2k/weapons/largeguns.yaml
@@ -4,7 +4,8 @@
 	Report: MEDTANK1.WAV
 	Projectile: Bullet
 		Speed: 562
-		Inaccuracy: 380
+		Inaccuracy: 128
+		InaccuracyType: PerCellIncrement
 		Image: 120mm
 	Warhead@1Dam: SpreadDamage
 		Damage: 2700
@@ -60,7 +61,6 @@ DevBullet:
 	Report: TANKHVY1.WAV
 	Projectile: Bullet
 		Speed: 281
-		Inaccuracy: 0
 		Image: doubleblastbullet
 	Warhead@1Dam: SpreadDamage
 		Damage: 6500
@@ -89,7 +89,6 @@ DevBullet:
 		Blockable: false
 		Shadow: true
 		LaunchAngle: 62
-		Inaccuracy: 768
 		ContrailLength: 20
 		Image: 155mm
 	Warhead@1Dam: SpreadDamage
diff --git a/mods/d2k/weapons/missiles.yaml b/mods/d2k/weapons/missiles.yaml
index 330e8f7483..a8c08a26a2 100644
--- a/mods/d2k/weapons/missiles.yaml
+++ b/mods/d2k/weapons/missiles.yaml
@@ -5,7 +5,8 @@
 	Projectile: Bullet
 		Blockable: false
 		Speed: 281
-		Inaccuracy: 256
+		Inaccuracy: 128
+		InaccuracyType: PerCellIncrement
 		Image: RPG
 		TrailImage: bazooka_trail2
 		TrailPalette: effect75alpha
@@ -45,7 +46,6 @@
 		Shadow: true
 		HorizontalRateOfTurn: 3
 		RangeLimit: 6c614
-		Inaccuracy: 384
 		CruiseAltitude: 1c0
 		MinimumLaunchAngle: 64
 		VerticalRateOfTurn: 10
@@ -117,7 +117,6 @@ mtank_pri:
 	Range: 6c0
 	ValidTargets: Ground, Air
 	Projectile: Missile
-		Inaccuracy: 96
 		RangeLimit: 7c204
 	Warhead@1Dam: SpreadDamage
 		Damage: 6000
@@ -132,6 +131,7 @@ DeviatorMissile:
 	Report: MISSLE1.WAV
 	Projectile: Missile
 		RangeLimit: 6c0
+		Inaccuracy: 96
 		Image: MISSILE
 		TrailImage: deviator_trail
 		TrailPalette: deviatorgas
diff --git a/mods/d2k/weapons/other.yaml b/mods/d2k/weapons/other.yaml
index 8b3225603c..a70a447d52 100644
--- a/mods/d2k/weapons/other.yaml
+++ b/mods/d2k/weapons/other.yaml
@@ -4,6 +4,8 @@ Sound:
 	Report: SONIC1.WAV
 	Projectile: AreaBeam
 		Speed: 0c128
+		Inaccuracy: 128
+		InaccuracyType: PerCellIncrement
 		Duration: 4 # Has a length of 0c512
 		DamageInterval: 3 # Travels 0c384 between impacts, will hit a target roughly three times
 		Width: 0c512
@@ -216,7 +218,8 @@ grenade:
 		Speed: 160
 		Blockable: false
 		LaunchAngle: 128
-		Inaccuracy: 416
+		Inaccuracy: 128
+		InaccuracyType: PerCellIncrement
 		Image: grenade
 		Shadow: true
 	Warhead@1Dam: SpreadDamage
diff --git a/mods/d2k/weapons/smallguns.yaml b/mods/d2k/weapons/smallguns.yaml
index 8c178354a6..98970d82d7 100644
--- a/mods/d2k/weapons/smallguns.yaml
+++ b/mods/d2k/weapons/smallguns.yaml
@@ -3,6 +3,8 @@
 	Range: 2c512
 	Report: MGUN2.WAV
 	Projectile: InstantHit
+		Inaccuracy: 128
+		InaccuracyType: PerCellIncrement
 	Warhead@1Dam: SpreadDamage
 		Damage: 1250
 		Spread: 480