diff --git a/script/test/TestFourcv.py b/script/test/TestFourcv.py
index 80233e0..6fb1742 100644
--- a/script/test/TestFourcv.py
+++ b/script/test/TestFourcv.py
@@ -89,8 +89,8 @@ hkl_to_angles(0, -1, 12)
 
 fourc.write([60, 30, 90, 0])
 print "fourc=" , fourc.position
-wavelenght.write(1.0)
-print "wavelenght = ", wavelenght.read()
+wavelength.write(1.0)
+print "wavelength = ", wavelength.read()
 
 # Load the last ub calculation used
 ub.lastub()