diff --git a/rowers/views.py b/rowers/views.py
index 33c72f47..1a773585 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -11304,7 +11304,7 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
 
     try:
         avpace = datetime.timedelta(seconds=int(500./normv))
-    except:
+    except (OverflowError, ZeroDivisionError):
         avpace = datetime.timedelta(seconds=130)
 
     data = {