diff --git a/cfg_checker/common/exception.py b/cfg_checker/common/exception.py
index bc7cefe..157c466 100644
--- a/cfg_checker/common/exception.py
+++ b/cfg_checker/common/exception.py
@@ -19,3 +19,15 @@
     def __init__(self, message, *args, **kwargs):
         super(ConfigException, self).__init__(message, *args, **kwargs)
         self.message = "Configuration error: {}".format(message)
+
+
+class SaltException(CheckerException):
+    def __init__(self, message, *args, **kwargs):
+        super(SaltException, self).__init__(message, *args, **kwargs)
+        self.message = "Salt error: {}".format(message)
+
+
+class InvalidReturnException(CheckerException):
+    def __init__(self, message, *args, **kwargs):
+        super(InvalidReturnException, self).__init__(message, *args, **kwargs)
+        self.message = "Unexpected return value: {}".format(message)