diff --git a/examples/parametertree.py b/examples/parametertree.py
index b8638e02..6e8e0dbd 100644
--- a/examples/parametertree.py
+++ b/examples/parametertree.py
@@ -124,7 +124,7 @@ p.sigTreeStateChanged.connect(change)
 
 
 def valueChanging(param, value):
-    print "Value changing (not finalized):", param, value
+    print("Value changing (not finalized):", param, value)
     
 # Too lazy for recursion:
 for child in p.children():