diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index f041b8ab..e6324de8 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -2051,6 +2051,8 @@ def read_df_sql(id):
         if rowdata and len(rowdata.df):
             data = dataprep(rowdata.df,id=id,bands=True,otwpower=True,barchart=True)
             df = pd.read_parquet(f)
+        else:
+            df = pd.DataFrame()
 
     df = df.fillna(value=0)