diff --git a/src/struphy/console/run.py b/src/struphy/console/run.py
index 2d00bb5c16ab8145d8673583c9283b9b0f2359f2..079acbcebab437f67658e94216ffab9b1e051aff 100644
--- a/src/struphy/console/run.py
+++ b/src/struphy/console/run.py
@@ -148,6 +148,7 @@ def struphy_run(model='Maxwell',
         # create output folder if it does not exit
         if not os.path.exists(output_abs):
             os.mkdir(output_abs)
+            os.mkdir(os.path.join(output_abs, 'data/'))
 
         # remove sim.out file
         file = os.path.join(output_abs, 'sim.out')