diff --git a/trueskill.py b/trueskill.py
index 3070bb7..bb13ab7 100644
--- a/trueskill.py
+++ b/trueskill.py
@@ -28,6 +28,7 @@
   print("requires Python 2.6 or higher")
   sys.exit(1)
 
+import logging
 
 from math import sqrt
 
@@ -305,7 +306,7 @@ def SetParameters(beta=None, epsilon=None, draw_probability=None,
     EPSILON = DrawMargin(draw_probability, BETA)
   else:
     EPSILON = epsilon
-  print("EPSILON %f" % EPSILON)
+  logging.info("EPSILON %f" % EPSILON)
   if gamma is None:
     GAMMA = INITIAL_SIGMA / 100.0
   else: