diff --git a/core/linter.go b/core/linter.go
index 1c478c1..481633d 100644
--- a/core/linter.go
+++ b/core/linter.go
@@ -78,6 +78,15 @@ func filterUnWantedRules(rules []actionlint.Rule) []actionlint.Rule {
 		// }
 	}
 
+	/*
+		if no rules are passed this function is called from octosan
+		so we can add dummy rules for the --list-rule option and for the sarif format.
+	*/
+	if len(res) == 0 {
+		res = append(res, &actionlint.RuleCredentials{RuleBase: actionlint.NewRuleBase("shellcheck", "Checks for shell script sources in \"run:\" using shellcheck")})
+		res = append(res, &actionlint.RuleShellcheck{RuleBase: actionlint.NewRuleBase("credentials", "Checks for credentials in \"services:\" configuration")})
+	}
+
 	return res
 }