diff --git a/boxes/generators/trafficlight.py b/boxes/generators/trafficlight.py
index 6d055a0..6fd2eb1 100644
--- a/boxes/generators/trafficlight.py
+++ b/boxes/generators/trafficlight.py
@@ -38,7 +38,7 @@ class ShadyEdge(edges.BaseEdge):
 
 class TrafficLight(Boxes): # change class name here and below
     """Traffic light"""
-    description = """The traffic light was created to visualize the status of a Icinga monitored system.
+    description = u"""The traffic light was created to visualize the status of a Icinga monitored system.
 
 When turned by 90°, it can be also used to create a bottle holder."""