diff --git a/pglab/MasterController.cpp b/pglab/MasterController.cpp
index 5c901aa..8576801 100644
--- a/pglab/MasterController.cpp
+++ b/pglab/MasterController.cpp
@@ -83,7 +83,7 @@ void MasterController::openSqlWindowForConnection(size_t connection_index)
 			auto w = new DatabaseWindow(this, nullptr);
 			w->setAttribute( Qt::WA_DeleteOnClose );
 			w->setConfig(cc);
-			w->show();
+			w->showMaximized();
 		}
 	}