diff --git a/django/db/backends/oracle/introspection.py b/django/db/backends/oracle/introspection.py
index 361308a62c..476e2f460b 100644
--- a/django/db/backends/oracle/introspection.py
+++ b/django/db/backends/oracle/introspection.py
@@ -33,6 +33,8 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
         if data_type == cx_Oracle.NUMBER and description[5] == 0:
             if description[4] > 11:
                 return 'BigIntegerField'
+            elif description[4]==1:
+                return 'BooleanField'
             else:
                 return 'IntegerField'
         else: