diff --git a/.config/awesome/rc.lua b/.config/awesome/rc.lua
index 80bca317..5ceb02c5 100644
--- a/.config/awesome/rc.lua
+++ b/.config/awesome/rc.lua
@@ -609,6 +609,10 @@ awful.rules.rules = {
    { rule = { name = "mutt"},
      properties = { tag = tags[1][7] } },
 
+   -- Emacs Speedbar
+   { rule = { name = "Speedbar 1.0"},
+     properties = { width = 20 },
+     callback = function( c ) awful.tag.setmwfact(0.15) end },
 }
 
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