diff --git a/bmc.py b/bmc.py
index a3007a7..297f46e 100755
--- a/bmc.py
+++ b/bmc.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python2
 # -*- coding: utf8 -*-
+from __future__ import unicode_literals
 
 import argparse
 import os
diff --git a/libbmc/backend.py b/libbmc/backend.py
index ec784ab..f20b1e0 100644
--- a/libbmc/backend.py
+++ b/libbmc/backend.py
@@ -179,7 +179,7 @@ def deleteFile(filename):
         return False
 
     found = False
-    for key in bibtex.keys():
+    for key in list(bibtex.keys()):
         try:
             if os.path.samefile(bibtex[key]['file'], filename):
                 found = True
@@ -288,7 +288,7 @@ def getEntries():
         tools.warning("Unable to open index file.")
         return False
 
-    return bibtex.keys()
+    return list(bibtex.keys())
 
 
 def updateArXiv(entry):