diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e832af5..ef97afe1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add proper `Description` inside `konsole` theme (bug from #33)
 - Lualine `normal` section background color set blue color #43
 - Kitty window border colors fix #47
+- BufferLine slant style separator color fixed ( related to #16)
 
 ## [v0.0.1] - 9 Jul 2021
 
diff --git a/lua/github-theme/theme.lua b/lua/github-theme/theme.lua
index 5d3af5bf..aea0a3dd 100644
--- a/lua/github-theme/theme.lua
+++ b/lua/github-theme/theme.lua
@@ -422,6 +422,9 @@ function M.setup(config)
     -- BufferLine
     BufferLineIndicatorSelected = {fg = c.blue},
     BufferLineFill = {bg = c.bg2},
+    BufferLineSeparator = {fg = c.bg2},
+    BufferLineSeparatorSelected = {fg = c.bg2},
+    BufferLineSeparatorVisible = {fg = c.bg2},
 
     -- ALE
     ALEWarningSign = {fg = c.warning},