diff --git a/csp/python-constraint/trials/queens.py b/csp/python-constraint/trials/queens.py
index 73ec4569..deac7131 100755
--- a/csp/python-constraint/trials/queens.py
+++ b/csp/python-constraint/trials/queens.py
@@ -7,7 +7,7 @@ import sys
 
 def main(show=False):
     problem = Problem()
-    size = 12
+    size = 8
     cols = range(size)
     rows = range(size)
     problem.addVariables(cols, rows)