diff --git a/Fotovoltaico.py b/Fotovoltaico.py
index f95a750..27a2af7 100644
--- a/Fotovoltaico.py
+++ b/Fotovoltaico.py
@@ -50,5 +50,6 @@ result_ac_energies_to_csv_df = suppress_printing(simulate_unstacked_productivity
 result_ac_energies_to_csv_df.to_csv(path_export, encoding='utf-8')
 os.startfile(path_export)
 
-joe.terminate()
-joe.kill()
\ No newline at end of file
+if isJoe:
+    joe.terminate()
+    joe.kill()
\ No newline at end of file