diff --git a/lib/thor/base.rb b/lib/thor/base.rb
index a44a4d9a..6d7bae3d 100644
--- a/lib/thor/base.rb
+++ b/lib/thor/base.rb
@@ -506,7 +506,7 @@ def start(given_args = ARGV, config = {})
       #
       def public_command(*names)
         names.each do |name|
-          class_eval "def #{name}(*); super end"
+          class_eval "def #{name}(*); super end", __FILE__, __LINE__
         end
       end
       alias_method :public_task, :public_command