diff --git a/modules/thirdparty-vanilla.lua b/modules/thirdparty-vanilla.lua
index a176a095..e6e5bf03 100644
--- a/modules/thirdparty-vanilla.lua
+++ b/modules/thirdparty-vanilla.lua
@@ -457,8 +457,8 @@ pfUI:RegisterModule("thirdparty-vanilla", "vanilla", function()
     hooksecurefunc("WIM_InitClassProps", function()
       for class in pairs(RAID_CLASS_COLORS) do
         local wimclass = _G[format("WIM_LOCALIZED_%s",class)]
-        local colorstr = gsub(RAID_CLASS_COLORS[class].colorStr, "^ff", "")
-        _G.WIM_ClassColors[wimclass] = colorstr
+        local colorstr = rgbhex(RAID_CLASS_COLORS[class].r, RAID_CLASS_COLORS[class].g, RAID_CLASS_COLORS[class].b, RAID_CLASS_COLORS[class].a)
+        _G.WIM_ClassColors[wimclass] = gsub(colorstr, "^ff", "")
       end
     end, true)