diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index c14d7d2d..d5debb11 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -517,7 +517,7 @@ def calculate_goldmedalstandard(rower, workout, recurrance=True):
         df = df.filter(pl.col("scores") == pl.col("scores").max())
         delta = df[0, "times"]
         maxvalue = df[0, "scores"]
-    except (ValueError, TypeError, KeyError):  # pragma: no cover
+    except (ValueError, TypeError, KeyError, IndexError):  # pragma: no cover
         indexmax = 0
         delta = 0
         maxvalue = 0