diff --git a/mods/blue-shaman.lua b/mods/blue-shaman.lua
index 22b9105..596ed31 100644
--- a/mods/blue-shaman.lua
+++ b/mods/blue-shaman.lua
@@ -1,6 +1,5 @@
 local _G = ShaguTweaks.GetGlobalEnv()
 local T = ShaguTweaks.T
-local GetExpansion = ShaguTweaks.GetExpansion
 
 local module = ShaguTweaks:register({
   title = T["Blue Shaman Class Colors"],
@@ -10,6 +9,9 @@ local module = ShaguTweaks:register({
   enabled = true,
 })
 
+local BLUE_SHAMAN = { r = 0.14, g = 0.35, b = 1.0, colorStr = "ff2459ff" }
+local UNKNOWN_CLASS_COLOR = { r = 0.6, g = 0.6, b = 0.6, colorStr = "ff999999" }
+
 local function ChatTweaksOwnsClassColors()
   local configured = ShaguTweaks_config and ShaguTweaks_config[T["Chat Tweaks"]]
   if configured ~= nil then return configured == 1 end
@@ -21,25 +23,36 @@ local function ChatTweaksOwnsClassColors()
 end
 
 module.enable = function(self)
-  -- The current enhanced Chat Tweaks module already carries this exact color
-  -- table. Avoid applying it twice while keeping Blue Shaman independent when
-  -- Chat Tweaks is disabled.
+  -- The current enhanced Chat Tweaks module already applies the same shaman
+  -- color. Avoid touching the global table twice while keeping this module
+  -- independent when Chat Tweaks is disabled.
   if ChatTweaksOwnsClassColors() then return end
 
-  -- update table to get unknown colors and blue shamans for vanilla
-  RAID_CLASS_COLORS = {
-    ["WARRIOR"] = { r = 0.78, g = 0.61, b = 0.43, colorStr = "ffc79c6e" },
-    ["MAGE"]    = { r = 0.41, g = 0.8,  b = 0.94, colorStr = "ff69ccf0" },
-    ["ROGUE"]   = { r = 1,    g = 0.96, b = 0.41, colorStr = "fffff569" },
-    ["DRUID"]   = { r = 1,    g = 0.49, b = 0.04, colorStr = "ffff7d0a" },
-    ["HUNTER"]  = { r = 0.67, g = 0.83, b = 0.45, colorStr = "ffabd473" },
-    ["SHAMAN"]  = { r = 0.14, g = 0.35, b = 1.0,  colorStr = "ff2459ff" },
-    ["PRIEST"]  = { r = 1,    g = 1,    b = 1,    colorStr = "ffffffff" },
-    ["WARLOCK"] = { r = 0.58, g = 0.51, b = 0.79, colorStr = "ff9482c9" },
-    ["PALADIN"] = { r = 0.96, g = 0.55, b = 0.73, colorStr = "fff58cba" },
-  }
+  -- Keep Blizzard/Turtle's RAID_CLASS_COLORS table (and any references held by
+  -- other addons) intact. Only change the SHAMAN entry instead of replacing
+  -- the complete table just to alter one class color.
+  RAID_CLASS_COLORS = RAID_CLASS_COLORS or {}
+  local shaman = RAID_CLASS_COLORS["SHAMAN"]
+  if shaman then
+    shaman.r = BLUE_SHAMAN.r
+    shaman.g = BLUE_SHAMAN.g
+    shaman.b = BLUE_SHAMAN.b
+    shaman.colorStr = BLUE_SHAMAN.colorStr
+  else
+    RAID_CLASS_COLORS["SHAMAN"] = {
+      r = BLUE_SHAMAN.r,
+      g = BLUE_SHAMAN.g,
+      b = BLUE_SHAMAN.b,
+      colorStr = BLUE_SHAMAN.colorStr,
+    }
+  end
 
-  RAID_CLASS_COLORS = setmetatable(RAID_CLASS_COLORS, { __index = function(tab,key)
-    return { r = 0.6,  g = 0.6,  b = 0.6,  colorStr = "ff999999" }
-  end})
+  -- Preserve any metatable installed by Turtle or another addon. The original
+  -- module supplied a gray fallback for unknown class keys, so retain that
+  -- behavior only when no owner already provides one.
+  if not getmetatable(RAID_CLASS_COLORS) then
+    setmetatable(RAID_CLASS_COLORS, { __index = function()
+      return UNKNOWN_CLASS_COLOR
+    end })
+  end
 end