diff --git a/.github/workflows/weekly_stats.yaml b/.github/workflows/weekly_stats.yaml
index dd0d092c2..be8291779 100644
--- a/.github/workflows/weekly_stats.yaml
+++ b/.github/workflows/weekly_stats.yaml
@@ -200,7 +200,7 @@ jobs:
               if [ "$k" -eq 3 ]; then break; fi
               if [ "$i" -eq "$i" ] && [ "$i" -gt "$j" ]; then j="$i"; fi
             done
-          sed -i "s|${var}|${var}(${j}x)|g" Stats3
+          sed -i "s|${var}|${var}_(${j}x)|g" Stats3
           done
           echo "... done"
           # Plot graph