diff --git a/lua/tokyonight/theme.lua b/lua/tokyonight/theme.lua
index ab13eb0..1504f53 100644
--- a/lua/tokyonight/theme.lua
+++ b/lua/tokyonight/theme.lua
@@ -316,7 +316,7 @@ function M.setup()
 
     -- NvimTree
     NvimTreeNormal = { fg = c.fg_sidebar, bg = c.bg_sidebar },
-    NvimTreeVertSplit = { fg = c.bg_sidebar, bg = c.bg_sidebar },
+    NvimTreeWinSeparator = { fg = options.styles.sidebars == "transparent" and c.border or c.bg_sidebar, bg = c.bg_sidebar },
     NvimTreeNormalNC = { fg = c.fg_sidebar, bg = c.bg_sidebar },
     NvimTreeRootFolder = { fg = c.blue, bold = true },
     NvimTreeGitDirty = { fg = c.git.change },