diff --git a/src/Config.py b/src/Config.py
index 756d70e2..e0424898 100644
--- a/src/Config.py
+++ b/src/Config.py
@@ -13,7 +13,7 @@ class Config(object):
 
     def __init__(self, argv):
         self.version = "0.7.1"
-        self.rev = 4208
+        self.rev = 4210
         self.argv = argv
         self.action = None
         self.pending_changes = {}
diff --git a/src/Debug/Debug.py b/src/Debug/Debug.py
index 4c4099f7..90d450d0 100644
--- a/src/Debug/Debug.py
+++ b/src/Debug/Debug.py
@@ -15,7 +15,10 @@ class Notify(Exception):
 
 def formatExceptionMessage(err):
     err_type = err.__class__.__name__
-    err_message = str(err.args[-1])
+    if err.args:
+        err_message = err.args[-1]
+    else:
+        err_message = err.__str__()
     return "%s: %s" % (err_type, err_message)