diff --git a/superset/models/sql_lab.py b/superset/models/sql_lab.py
index 7a6b246990d..7d303ffa99a 100644
--- a/superset/models/sql_lab.py
+++ b/superset/models/sql_lab.py
@@ -540,7 +540,7 @@ class TabState(AuditMixinNullable, ExtraJSONMixin, Model):
 
     # latest query that was run
     latest_query_id = Column(
-        Integer, ForeignKey("query.client_id", ondelete="SET NULL")
+        String(11), ForeignKey("query.client_id", ondelete="SET NULL")
     )
     latest_query = relationship("Query")