diff --git a/padelpy/functions.py b/padelpy/functions.py
index a4ce892..41372d8 100644
--- a/padelpy/functions.py
+++ b/padelpy/functions.py
@@ -89,7 +89,6 @@ def from_smiles(smiles,
                 sp_timeout=timeout,
                 retainorder=True,
                 maxruntime=maxruntime,
-                retainorder=True,
                 threads=threads
             )
             break