diff --git a/.forgejo/workflows/generate-m3u.yml b/.forgejo/workflows/generate-m3u.yml
index 852150c..70024a3 100644
--- a/.forgejo/workflows/generate-m3u.yml
+++ b/.forgejo/workflows/generate-m3u.yml
@@ -122,11 +122,11 @@ jobs:
     - name: Archive Old Reports
       run: |
         echo "Managing archives..."
-        # Archive reports older than 7 days
-        CUTOFF_DATE=$(date -d '7 days ago' +%s 2>/dev/null || date -v-7d +%s 2>/dev/null || echo "0")
+        # Archive reports older than 7 days - using GNU date format for Ubuntu
+        CUTOFF_DATE=$(date -d '7 days ago' +%s)
         for report_file in reports/daily/playlist_report_*.md reports/daily/report_*.md; do
           if [ -f "$report_file" ]; then
-            FILE_DATE=$(stat -c %Y "$report_file" 2>/dev/null || stat -f %m "$report_file" 2>/dev/null || echo "0")
+            FILE_DATE=$(stat -c %Y "$report_file" 2>/dev/null || echo "0")
             if [ "$FILE_DATE" -lt "$CUTOFF_DATE" ] && [ "$FILE_DATE" -gt "0" ]; then
               BASENAME=$(basename "$report_file")
               REPORT_DATE=$(echo "$BASENAME" | sed 's/.*_//; s/\.md//; s/\(....\)\(..\)\(..\).*/\1-\2/')