diff --git a/prosopopee/utils.py b/prosopopee/utils.py
index aed477c..d15a7fc 100644
--- a/prosopopee/utils.py
+++ b/prosopopee/utils.py
@@ -7,6 +7,7 @@ from path import Path
 
 from jinja2 import Environment, FileSystemLoader
 
+from builtins import str
 
 class bcolors:
     OKGREEN = '\033[92m'