diff --git a/pyKADMOS/sample/graph.py b/pyKADMOS/sample/graph.py
index 4c580c6717d0a2089b070bfe759adf5228e8e6ba..fb14c4c716093239eb0b0f26ae12678420d5059e 100644
--- a/pyKADMOS/sample/graph.py
+++ b/pyKADMOS/sample/graph.py
@@ -1371,7 +1371,7 @@ class KadmosGraph(nx.DiGraph):
 
         # Handle the fact that the *args could also be a list or tuple directly
         if len(args) == 1 and (isinstance(args[0], tuple) or isinstance(args[0], list)):
-            args = [args[0]]
+            args = list(args[0])
 
         # Input assertions
         assert len(args) > 1, 'More than 1 input argument is required.'
@@ -1428,7 +1428,7 @@ class KadmosGraph(nx.DiGraph):
 
         # Handle the fact that the *args could also be a list or tuple directly
         if len(args) == 1 and (isinstance(args[0], tuple) or isinstance(args[0], list)):
-            args = [args[0]]
+            args = list(args[0])
 
         # Input assertions
         assert len(args) > 1, 'More than 1 input is required for this function.'