diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
index 8e10971e16..b4311f13fa 100644
--- a/Library/Homebrew/extend/pathname.rb
+++ b/Library/Homebrew/extend/pathname.rb
@@ -255,7 +255,7 @@ class Pathname
     else
       false
     end
-  rescue Errno::EACCES, Errno::ENOENT
+  rescue Errno::EACCES, Errno::ENOENT, Errno::EBUSY
     false
   end