diff --git a/kadmos/graph/graph_kadmos.py b/kadmos/graph/graph_kadmos.py
index 70983f94a4e91c2d1fe86b27609721cf44ad3cf2..aab1f9df327666e4ae4986ba2f3e7e231bd15c00 100644
--- a/kadmos/graph/graph_kadmos.py
+++ b/kadmos/graph/graph_kadmos.py
@@ -3200,7 +3200,7 @@ class KadmosGraph(nx.DiGraph, EquationMixin, VistomsMixin):
         else:
             suffix_strs = ['']*len(args[1:])
         for idx, arg in enumerate(args[1:]):
-            node_name = args[0] + suffix_strs[idx] + '[' + arg + ']' + instance_str + version_str
+            node_name = args[0] + suffix_strs[idx]
             function_nodes.append(node_name)
             assert self.has_node(node_name), 'Node "' + node_name + '" is not present in the graph.'
             assert self.node[node_name]['category'], 'Node "' + node_name + '" is not of category "function".'