diff --git a/appveyor.yml b/appveyor.yml
index 0da112f22f..0643b1b74c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@ pull_requests:
   do_not_increment_build_number: true
 environment:
   TGS4_TEST_DATABASE_TYPE: SqlServer
-  TGS4_TEST_CONNECTION_STRING: Server=(local)\SQL2017;Database=master;User ID=sa;Password=Password12!
+  TGS4_TEST_CONNECTION_STRING: Server=(local)\SQL2017;Initial Catalog=TGS_Test;User ID=sa;Password=Password12!
   repo_token:
     secure: lJNGAXwiB5HlWdthz3K4PetqpTG5IEAyRgKaiKxFMQ8HW8CcOjRtB97B05op7BsK
 branches: