diff --git a/zipline/assets/asset_writer.py b/zipline/assets/asset_writer.py
index a84740c2..680e2e4b 100644
--- a/zipline/assets/asset_writer.py
+++ b/zipline/assets/asset_writer.py
@@ -163,8 +163,14 @@ class AssetDBWriter(with_metaclass(ABCMeta)):
 
     def _write_futures(self, futures, db_conn):
 
+        # Retrieve the data to add to the futures_contracts table
         data = [tuple(x) for x in futures.to_records()]
 
+        # Retrieve the data to add to the asset_router table
+        sids = [x[0] for x in data]
+        futs = ['future'] * len(sids)
+        to_insert = zip(sids, futs)
+
         c = db_conn.cursor()
         c.executemany("""
             INSERT OR IGNORE INTO futures_contracts
@@ -174,6 +180,12 @@ class AssetDBWriter(with_metaclass(ABCMeta)):
             VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         """, data)
 
+        c.executemany("""
+            INSERT INTO asset_router
+            ('sid', 'asset_type')
+            VALUES(?,?)
+        """, to_insert)
+
     def _write_equities(self, equities, db_conn):
 
         # Apply fuzzy matching.
@@ -181,8 +193,14 @@ class AssetDBWriter(with_metaclass(ABCMeta)):
             equities['fuzzy'] = equities['symbol'].str.\
                 replace(self.fuzzy_char, '')
 
+        # Retrieve the data to add to the equitites table
         data = [tuple(x) for x in equities.to_records()]
 
+        # Retrieve the data to add to the asset_router table
+        sids = [x[0] for x in data]
+        eqs = ['equity'] * len(sids)
+        to_insert = zip(sids, eqs)
+
         c = db_conn.cursor()
         c.executemany("""
             INSERT OR IGNORE INTO equities
@@ -191,6 +209,12 @@ class AssetDBWriter(with_metaclass(ABCMeta)):
             VALUES(?, ?, ?, ?, ?, ?, ?, ?)
         """, data)
 
+        c.executemany("""
+            INSERT INTO asset_router
+            ('sid', 'asset_type')
+            VALUES(?,?)
+        """, to_insert)
+
     def init_db(self,
                 db_conn,
                 constraints=False):