diff --git a/modules/performance/php-optimizer.sh b/modules/performance/php-optimizer.sh
index 83edf51..29dd805 100755
--- a/modules/performance/php-optimizer.sh
+++ b/modules/performance/php-optimizer.sh
@@ -212,10 +212,16 @@ analyze_all_domains() {
 
             # Count issues by severity
             local critical_count high_count medium_count low_count
-            critical_count=$(echo "$issues" | grep -c "^[^|]*|CRITICAL|" || echo "0")
-            high_count=$(echo "$issues" | grep -c "^[^|]*|HIGH|" || echo "0")
-            medium_count=$(echo "$issues" | grep -c "^[^|]*|MEDIUM|" || echo "0")
-            low_count=$(echo "$issues" | grep -c "^[^|]*|LOW|" || echo "0")
+            critical_count=$(echo "$issues" | grep -c "^[^|]*|CRITICAL|" || true)
+            high_count=$(echo "$issues" | grep -c "^[^|]*|HIGH|" || true)
+            medium_count=$(echo "$issues" | grep -c "^[^|]*|MEDIUM|" || true)
+            low_count=$(echo "$issues" | grep -c "^[^|]*|LOW|" || true)
+
+            # Default to 0 if empty
+            critical_count=${critical_count:-0}
+            high_count=${high_count:-0}
+            medium_count=${medium_count:-0}
+            low_count=${low_count:-0}
 
             local total_issues=$((critical_count + high_count + medium_count + low_count))