diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index c609d2f2..e74a39ee 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -1163,10 +1163,12 @@ def calculate_goldmedalstandard(rower,workout,recurrance=True):
     try:
         df = pd.read_parquet(cpfile)
     except:
-        df, delta, cpvalues = setcp(workout)
+        df, delta, cpvalues = setcp(workout,background=True)
+        if df.empty:
+            return 0,0
 
     if df.empty and recurrance:
-        df, delta, cpvalues = setcp(workout,recurrance=False)
+        df, delta, cpvalues = setcp(workout,recurrance=False,background=True)
         if df.empty:
             return 0,0
 
@@ -1200,7 +1202,7 @@ def calculate_goldmedalstandard(rower,workout,recurrance=True):
             )
         )
         jsondf = df2.to_json()
-        job = myqueue(queue,handle_getagegrouprecords,
+        job = myqueue(queuelow,handle_getagegrouprecords,
                       jsondf,distances,durations,age,rower.sex,rower.weightcategory)
 
     wcpower = pd.Series(wcpower)