diff --git a/skin/classic/treestyletab/twisty/twisty-osx-l.png b/skin/classic/treestyletab/twisty/twisty-osx-l.png
index ab68feab..de1946ad 100644
Binary files a/skin/classic/treestyletab/twisty/twisty-osx-l.png and b/skin/classic/treestyletab/twisty/twisty-osx-l.png differ
diff --git a/skin/classic/treestyletab/twisty/twisty-osx-r.png b/skin/classic/treestyletab/twisty/twisty-osx-r.png
index fb445e6f..90b39550 100644
Binary files a/skin/classic/treestyletab/twisty/twisty-osx-r.png and b/skin/classic/treestyletab/twisty/twisty-osx-r.png differ