diff --git a/jinja2/debug.py b/jinja2/debug.py
index 9209054..cfc2bc8 100644
--- a/jinja2/debug.py
+++ b/jinja2/debug.py
@@ -12,6 +12,7 @@
 """
 import sys
 from types import CodeType
+from jinja2.compiler import unmask_identifier
 
 
 def translate_exception(exc_info):
@@ -66,7 +67,13 @@
         locals = {}
     for name, value in real_locals.iteritems():
         if name.startswith('l_'):
-            locals[name[2:]] = value
+            try:
+                locals[str(unmask_identifier(name))] = value
+            except UnicodeError:
+                # bummer.  someone actually used an unicode identifier.
+                # there is no way this can be added back into the python
+                # layer with python < 3.  we have to ignore it...
+                pass
 
     # if there is a local called __jinja_exception__, we get
     # rid of it to not break the debug functionality.