diff --git a/script/test/TestDiffcalc.py b/script/test/TestDiffcalc.py
index 10f16a1..d7d92af 100644
--- a/script/test/TestDiffcalc.py
+++ b/script/test/TestDiffcalc.py
@@ -45,7 +45,7 @@ hkl.con()
 print  angles_to_hkl((0., 60., 0., 30., 0., 0.))
 print hkl_to_angles(1, 0, 0)
 #sixc.write([0, 60, 0, 30, 90, 0])
-print "sixc=" , sixc.position
+print "sixch=" , sixch.position
 #wl.write(1.0)
 print "wl = ", wl.read()
 ub.lastub()