diff --git a/tests/testthat/test-ndigest.R b/tests/testthat/test-ndigest.R
index 9d27fed2..1c7adf38 100644
--- a/tests/testthat/test-ndigest.R
+++ b/tests/testthat/test-ndigest.R
@@ -10,11 +10,8 @@ test_that("ndigest works for overloaded and regular classes",{
   
   expect_equal(ndigest(kcs20[[1]]),"4c045b0343938259cd9986494fc1c2b0")
   
-  tmpneuron <- read.neuron('testdata/neuron/EBT7R.am')
-  exclfields=c("NeuronName","InputFileName","CreatedAt", "NodeName","InputFileStat",
-               "InputFileMD5", "NumPoints","StartPoint","BranchPoints","EndPoints",   
-               "nTrees","NumSegs")
-  expect_equal(ndigest(tmpneuron,fieldsToExclude = exclfields),"e3900cfe723297f36e23817f81152a40")
+  tmpneuron <- read.neuron('testdata/neuron/EBT7R.CNG.swc')
+  expect_equal(ndigest(tmpneuron),"988c480faa104167d456d3e300fc7f5f")
   
   # three neuronlists with different names but same contents
   tf=tempfile('kcs20fh')