diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
index 49adae2d15..1e80e3e84e 100644
--- a/Library/Homebrew/extend/pathname.rb
+++ b/Library/Homebrew/extend/pathname.rb
@@ -402,7 +402,7 @@ class Pathname
     out = ""
     n = Utils.popen_read("find", expand_path.to_s, "-type", "f", "!", "-name", ".DS_Store").split("\n").size
     out << "#{n} files, " if n > 1
-    out << Utils.popen_read("/usr/bin/du", "-hs", expand_path.to_s).split("\t")[0]
+    out << Utils.popen_read("/usr/bin/du", "-hs", expand_path.to_s).split("\t")[0].strip
     out
   end