diff --git a/import2ledger/errors.py b/import2ledger/errors.py
index 9bf310e..4d2b81e 100644
--- a/import2ledger/errors.py
+++ b/import2ledger/errors.py
@@ -4,6 +4,9 @@ class UserInputError(Exception):
         self.strerror = strerror
         self.user_input = user_input
 
+    def __str__(self):
+        return "{}: {}".format(self.strerror, self.user_input)
+
 
 class UserInputConfigurationError(UserInputError):
     pass