diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index cec9857f7a..27cf1d64a0 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -335,9 +335,10 @@ class Formula
     names.each do |name|
       begin
         yield Formula.factory(name)
-      rescue
+      rescue StandardError => e
         # Don't let one broken formula break commands. But do complain.
         onoe "Failed to import: #{name}"
+        puts e
         next
       end
     end