diff --git a/mossutils/aggr.py b/mossutils/aggr.py
index 46ede9e4b82f9049c4e97e45700ba5d171765cdc..35f72a10550e0efb763e868f6f36d5fa578d86d4 100644
--- a/mossutils/aggr.py
+++ b/mossutils/aggr.py
@@ -13,10 +13,11 @@ def main(
 
   clusters_csv: pd.DataFrame = pd.read_csv(clusters_summary_csv_file)
   
-  # Read CX course data, reduce to relevant columns, set index column
+  # Read CX course data, reduce to relevant columns, truncate TotalScore (which are floats), set index column
   relevant_course_columns = ["Legi", "Lastname", "Firstname", "Email", "Gender", "TotalScore"]
   course_csv: pd.DataFrame = pd.read_csv(cx_course_students_csv_file)
   course_csv = course_csv[relevant_course_columns]
+  course_csv["TotalScore"] = course_csv["TotalScore"].round(0)
   course_csv.set_index("Legi", inplace=True)
   ## TODO: Remove staff from course_csv