diff --git a/lua/darkbox.lua b/lua/darkbox.lua
index 3506d55..1413111 100644
--- a/lua/darkbox.lua
+++ b/lua/darkbox.lua
@@ -30,7 +30,7 @@ local function get_groups(colors)
     LineNr = { fg = colors.gray },
     SignColumn = { bg = colors.bg },
     VertSplit = { fg = colors.bg },
-    WinSeparator = { fg = colors.dim_black },
+    WinSeparator = { guifg = colors.bg },
     StatusLine = { fg = colors.fg, bg = colors.black },
     StatusLineNC = { fg = colors.gray, bg = colors.black },
     Visual = { bg = colors.dim_gray },