diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py
index 785e4b72a6..64e038e1a6 100644
--- a/django/db/backends/oracle/base.py
+++ b/django/db/backends/oracle/base.py
@@ -212,7 +212,7 @@ WHEN (new.%(col_name)s IS NULL)
     def last_executed_query(self, cursor, sql, params):
         # http://cx-oracle.sourceforge.net/html/cursor.html#Cursor.statement
         # The DB API definition does not define this attribute.
-        return cursor.statement
+        return cursor.statement.decode("utf-8")
 
     def last_insert_id(self, cursor, table_name, pk_name):
         sq_name = self._get_sequence_name(table_name)
diff --git a/tests/regressiontests/backends/tests.py b/tests/regressiontests/backends/tests.py
index cf6b964070..cf4242d62c 100644
--- a/tests/regressiontests/backends/tests.py
+++ b/tests/regressiontests/backends/tests.py
@@ -154,7 +154,7 @@ class LastExecutedQueryTest(TestCase):
         """
         Test that last_executed_query() returns an Unicode string
         """
-        tags = models.Tag.objects.filter(name="й", object_id=12).extra(select={'föö':1})
+        tags = models.Tag.objects.extra(select={'föö':1})
         sql, params = tags.query.sql_with_params()
         cursor = tags.query.get_compiler('default').execute_sql(None)
         last_sql = cursor.db.ops.last_executed_query(cursor, sql, params)