diff --git a/par-core/src/main/resources/db/migration/V15__risk_rules_site_id.sql b/par-core/src/main/resources/db/migration/V15__risk_rules_site_id.sql
index 8c620f4..bf14e9e 100644
--- a/par-core/src/main/resources/db/migration/V15__risk_rules_site_id.sql
+++ b/par-core/src/main/resources/db/migration/V15__risk_rules_site_id.sql
@@ -4,4 +4,8 @@ PREPARE stmt FROM @sqlstmt;
 EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 
-CREATE INDEX IF NOT EXISTS idx_risk_rules_site_id ON risk_rules(site_id);
+SET @idx_exist := (SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS WHERE table_schema = DATABASE() AND table_name = 'risk_rules' AND index_name = 'idx_risk_rules_site_id');
+SET @idx_sqlstmt := IF(@idx_exist = 0, 'CREATE INDEX idx_risk_rules_site_id ON risk_rules(site_id)', 'SELECT ''Index idx_risk_rules_site_id already exists''');
+PREPARE idx_stmt FROM @idx_sqlstmt;
+EXECUTE idx_stmt;
+DEALLOCATE PREPARE idx_stmt;