diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 99fafaaf..a04a11ee 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -1766,6 +1766,7 @@ def prepmultipledata(ids, verbose=False):
 def read_cols_df_sql(ids, columns, convertnewtons=True):
     # drop columns that are not in offical list
     #    axx = [ax[0] for ax in axes]
+    prepmultipledata(ids)
     axx = [f.name for f in StrokeData._meta.get_fields()]
 
     extracols = []
@@ -1802,9 +1803,11 @@ def read_cols_df_sql(ids, columns, convertnewtons=True):
             ids=tuple(ids),
         ))
 
+
     connection = engine.raw_connection()
     df = pd.read_sql_query(query, engine)
 
+
     df = df.fillna(value=0)
 
     if 'peakforce' in columns: