diff --git a/spearmint/tasks/base_task.py b/spearmint/tasks/base_task.py
index 34c183a..19d51a1 100755
--- a/spearmint/tasks/base_task.py
+++ b/spearmint/tasks/base_task.py
@@ -263,7 +263,7 @@ def paramify_and_print(self, data_vector, left_indent=0, indent_top_row=False):
                 if i == 0:
                     sys.stderr.write(format_str % (indentation, param_name, param['type'], param['values'][i]))
                 else:
-                    sys.stderr.write(format_str % (indentation, '',                        param['values'][i]))
+                    sys.stderr.write(format_str % (indentation, '', '',                        param['values'][i]))
 
     # Converts a vector in input space to the corresponding dict of params
     def paramify(self, data_vector):