diff --git a/util/format.py b/util/format.py
index 660430a..a5b532e 100644
--- a/util/format.py
+++ b/util/format.py
@@ -54,10 +54,13 @@ def toStr(value, encoding='UTF-8'):
         return value.encode(encoding)
     return str(value)
 
-def toUnicode(value, encoding='UTF-8'):
+def toUnicode(value, encoding='UTF-8', fallback='ISO8859-15'):
     if isinstance(value, unicode):
         return value
     elif isinstance(value, str):
-        return value.decode(encoding)
+        try:
+            return value.decode(encoding)
+        except UnicodeDecodeError:
+            return value.decode(fallback)
     else:
         return u''