--- a/src/jocondelab/models.py	Wed Jul 10 18:47:57 2013 +0200
+++ b/src/jocondelab/models.py	Thu Jul 11 14:25:41 2013 +0200
@@ -14,6 +14,6 @@
 
 class Country(models.Model):
     dbpedia_uri = models.URLField(max_length=2048, unique=True, blank=False, null=False, db_index=True)
-    iso_code_3 = models.CharField(max_length=3, unique=False, blank=False, null=False, db_index=False)
-    iso_code_2 = models.CharField(max_length=2, unique=False, blank=False, null=False, db_index=False)
+    iso_code_3 = models.CharField(max_length=3, unique=False, blank=False, null=False, db_index=True)
+    iso_code_2 = models.CharField(max_length=2, unique=False, blank=False, null=False, db_index=True)
     
\ No newline at end of file