diff --git a/rowers/views.py b/rowers/views.py
index a63b2829..48e174d4 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -3516,7 +3516,7 @@ def multiflex_view(request,userid=0,
                 try:
                     df['groupval'] = groups.mean()[groupby],
                 except ValueError:
-                    df['groupval'] = 'error'
+                    df['groupval'] =  groups.mean()[groupby].fillna(value=0)
             else:
                 df['groupval'] = [x.strftime("%Y-%m-%d") for x in groups.min()[groupby]]
             
@@ -3644,7 +3644,7 @@ def multiflex_view(request,userid=0,
                 try:
                     df['groupval'] = groups.mean()[groupby],
                 except ValueError:
-                    df['groupval'] = 'error'
+                    df['groupval'] =  groups.mean()[groupby].fillna(value=0)
             else:
                 df['groupval'] = [x.strftime("%Y-%m-%d") for x in groups.min()[groupby]]