diff --git a/rowers/tasks.py b/rowers/tasks.py
index c37a7d97..4949e17e 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -2921,7 +2921,10 @@ def handle_nk_async_workout(alldata,userid,nktoken,nkid,delaysec,defaulttimezone
     try:
         data = alldata[nkid]
     except KeyError: # pragma: no cover
-        data = alldata[int(nkid)]
+        try:
+            data = alldata[int(nkid)]
+        except KeyError:
+            return 0
 
     params = {
         'sessionIds': nkid,