diff --git a/ShadowedUnitFrames/ShadowedUnitFrames.lua b/ShadowedUnitFrames/ShadowedUnitFrames.lua
index c7878a0..7fb1109 100644
--- a/ShadowedUnitFrames/ShadowedUnitFrames.lua
+++ b/ShadowedUnitFrames/ShadowedUnitFrames.lua
@@ -243,7 +243,11 @@ function ShadowUF:LoadUnitDefaults()
 	self.defaults.profile.units.player.runeBar = {enabled = false}
 	self.defaults.profile.units.player.totemBar = {enabled = false}
 	self.defaults.profile.units.player.druidBar = {enabled = false}
-	self.defaults.profile.units.player.necromancerBar = {enabled = false}
+	-- Carry the layout (height/order/background) in the defaults, not only in the
+	-- defaultlayout merge: that merge only runs on profile reset, so a bar added to
+	-- an existing profile would otherwise have a nil height and crash
+	-- Layout:PositionWidgets ("attempt to compare number with nil" in layout.lua).
+	self.defaults.profile.units.player.necromancerBar = {enabled = false, height = 0.40, order = 26, background = true}
 	self.defaults.profile.units.player.xpBar = {enabled = false}
 	self.defaults.profile.units.player.fader = {enabled = false, combatAlpha = 1.0, inactiveAlpha = 0.60}
 	self.defaults.profile.units.player.indicators.lfdRole = {enabled = true, size = 0, x = 0, y = 0}