diff --git a/lib/core/settings.py b/lib/core/settings.py
index 0dbc41c5d..59522a204 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -429,7 +429,7 @@ BRUTE_TABLE_EXISTS_TEMPLATE = "EXISTS(SELECT %d FROM %s)"
 BRUTE_COLUMN_EXISTS_TEMPLATE = "EXISTS(SELECT %s FROM %s)"
 
 # Payload used for checking of existence of IDS/WAF (dummier the better)
-IDS_WAF_CHECK_PAYLOAD = "AND 1=1 UNION ALL SELECT 1,2,3,table_name FROM information_schema.tables WHERE 2>1"
+IDS_WAF_CHECK_PAYLOAD = "AND 1=1 UNION ALL SELECT 1,2,3,table_name FROM information_schema.tables WHERE 2>1-- ../../../etc/passwd"
 
 # Vectors used for provoking specific WAF/IDS/IPS behavior(s)
 WAF_ATTACK_VECTORS = (