diff --git a/tests/test_neb.py b/tests/test_neb.py
index a34dd85..9a16006 100644
--- a/tests/test_neb.py
+++ b/tests/test_neb.py
@@ -73,6 +73,8 @@ def prepare_images():
     relax = QuasiNewton(final)
     relax.run(fmax=0.05)
     
+    initial.calc = None
+    final.calc = None
     return initial, final
 
 #initial, final = prepare_images()
@@ -103,8 +105,7 @@ def prepare_images():
 
 def test_neb(prepare_images):
     
-    calc = EMT()
-#    calc = (EMT, [], {})
+    calc = (EMT, [], {})
     initial, final = prepare_images
 
     images = [initial]
@@ -117,12 +118,13 @@ def test_neb(prepare_images):
     dyn = DyNEB(images)
     dyn.interpolate('idpp')
 
-    inputs = ConfigSet(dyn.images)
+    inputs = [list(dyn.images)]
+    inputs = ConfigSet(inputs)
     outputs = OutputSpec()
     print("input : ", inputs)
     images_opt = neb.NEB(
-        inputs,
-		outputs,
+        inputs.groups(),
+        outputs,
         calc,
         logfile="-",
         verbose=True,