diff --git a/appveyor.yml b/appveyor.yml
index e2f73236..842a1ab0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -20,7 +20,7 @@ environment:
   VNPY_TEST_MYSQL_USER: root
   VNPY_TEST_MYSQL_PASSWORD: Password12!
 
-  VNPY_TEST_POSTGRESQL_DATABASE:
+  VNPY_TEST_POSTGRESQL_DATABASE: vnpy
   VNPY_TEST_POSTGRESQL_HOST: localhost
   VNPY_TEST_POSTGRESQL_PORT: 5432
   VNPY_TEST_POSTGRESQL_USER: postgres