diff --git a/caravel/db_engine_specs.py b/caravel/db_engine_specs.py
index 319700ea5cf73..c2175eb6e14cf 100644
--- a/caravel/db_engine_specs.py
+++ b/caravel/db_engine_specs.py
@@ -65,7 +65,7 @@ def handle_cursor(cls, cursor, query, session):
 
 
 class PostgresEngineSpec(BaseEngineSpec):
-    engine = 'postgres'
+    engine = 'postgresql'
 
     time_grains = (
         Grain("Time Column", _('Time Column'), "{col}"),