diff --git a/rowers/views.py b/rowers/views.py
index 1359fd5e..aa825a34 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -7556,7 +7556,10 @@ def workout_flexchart3_view(request,*args,**kwargs):
 
     
     rowdata = rdata(row.csvfilename)
-    additionalmetrics = rowdata.get_additional_metrics()
+    try:
+        additionalmetrics = rowdata.get_additional_metrics()
+    except AttributeError:
+        additionalmetrics = []
 
 
     extrametrics = {m.replace('/','_slsh_'):m for m in additionalmetrics}