diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py
index 20aabbdf31..46f6c7ad7c 100644
--- a/common/lib/capa/capa/capa_problem.py
+++ b/common/lib/capa/capa/capa_problem.py
@@ -126,7 +126,7 @@ class LoncapaProblem(object):
         self.done = False
 
     def __unicode__(self):
-        return u"LoncapaProblem ({0})".format(self.problem_text)
+        return u"LoncapaProblem ({0})".format(self.problem_id)
 
     def get_state(self):
         ''' Stored per-user session data neeeded to: