diff --git a/services/posture-check/daily-status-report.sh b/services/posture-check/daily-status-report.sh
index 319e4f9..e1b24bb 100755
--- a/services/posture-check/daily-status-report.sh
+++ b/services/posture-check/daily-status-report.sh
@@ -800,7 +800,7 @@ collect_log_highlights() {
     while IFS= read -r p; do
       [ -n "$p" ] || continue
       local pcount
-      pcount="$(grep -Eaic -- "$p" "$hits" 2>/dev/null || echo 0)"
+      pcount="$(grep -Eaic -- "$p" "$hits" 2>/dev/null || true)"
       if [ "${pcount:-0}" -gt 0 ]; then
         printf '%d\t%s\n' "$pcount" "$p" >> "$noise_by_pattern"
       fi