diff --git a/barplots/barplots.py b/barplots/barplots.py
index 2573e62..4724523 100644
--- a/barplots/barplots.py
+++ b/barplots/barplots.py
@@ -67,9 +67,9 @@ def barplots(
             "path":path.format(feature=feature).replace(" ", "_").lower(),
             **barplot_kwargs
         } for original, feature in zip(original, features)
-        if not pd.isna(groupby[original]).any().any()
+        if not pd.isna(groupby[original]).any().any() and not len(groupby[original]) == 0
     ]
-
+    
     if len(tasks) == 0:
         raise ValueError("No plottable feature found in given dataframe!")
 
diff --git a/tests/test_wrong_parameters.py b/tests/test_wrong_parameters.py
index 849ee9c..d46688d 100644
--- a/tests/test_wrong_parameters.py
+++ b/tests/test_wrong_parameters.py
@@ -11,7 +11,6 @@ def test_wrong_parameters():
         barplots(
             df[df.cell_line == "CIAO"],
             ["cell_line", "task", "balancing", "model"],
-            orientation="pinco",
             path="{root}/{{feature}}.png".format(root=root)
         )