diff --git a/flask_sqlalchemy/__init__.py b/flask_sqlalchemy/__init__.py
index 59b470a4..b1a81703 100644
--- a/flask_sqlalchemy/__init__.py
+++ b/flask_sqlalchemy/__init__.py
@@ -155,7 +155,14 @@ def __init__(self, db, autocommit=False, autoflush=True, **options):
     def get_bind(self, mapper=None, clause=None):
         # mapper is None if someone tries to just get a connection
         if mapper is not None:
-            info = getattr(mapper.mapped_table, 'info', {})
+            try:
+                # SA >= 1.3
+                persist_selectable = mapper.persist_selectable
+            except AttributeError:
+                # SA < 1.3
+                persist_selectable = mapper.mapped_table
+
+            info = getattr(persist_selectable, 'info', {})
             bind_key = info.get('bind_key')
             if bind_key is not None:
                 state = get_state(self.app)
diff --git a/tests/test_basic_app.py b/tests/test_basic_app.py
index 2cbd8029..aae00cb6 100644
--- a/tests/test_basic_app.py
+++ b/tests/test_basic_app.py
@@ -49,3 +49,13 @@ def test_query_recording(app, db, Todo):
 
 def test_helper_api(db):
     assert db.metadata == db.Model.metadata
+
+
+def test_persist_selectable(app, db, Todo, recwarn):
+    """ In SA 1.3, mapper.mapped_table should be replaced with mapper.persist_selectable """
+    with app.test_request_context():
+        todo = Todo('Test 1', 'test')
+        db.session.add(todo)
+        db.session.commit()
+
+    assert len(recwarn) == 0