diff --git a/share/lib/python/neuron/rxd/nodelist.py b/share/lib/python/neuron/rxd/nodelist.py
index a28b7438b5..8a463e6858 100644
--- a/share/lib/python/neuron/rxd/nodelist.py
+++ b/share/lib/python/neuron/rxd/nodelist.py
@@ -121,7 +121,8 @@ def diff(self, value):
 
     def include_flux(self, *args, **kwargs):
         for node in self:
-            node.include_flux(args, kwargs)
+            # Unpack arguments for each individual call
+            node.include_flux(*args, **kwargs)
 
     def value_to_grid(self):
         """Returns a regular grid with the values of the 3d nodes in the list.