diff --git a/script/diffcalc/diffutils.py b/script/diffcalc/diffutils.py
index fae009c..37fe0bc 100644
--- a/script/diffcalc/diffutils.py
+++ b/script/diffcalc/diffutils.py
@@ -309,7 +309,7 @@ def hklscan(vector, readables,latency = 0.0,  passes = 1, **pars):
     return scan.result
 
 
-def test():
+def test_difcalc():
     en.move(20.0)
     delta.config.maxSpeed = 50.0
     delta.speed = 50.0