diff --git a/extensions/arc/src/ui/dashboards/postgres/postgresParameters.ts b/extensions/arc/src/ui/dashboards/postgres/postgresParameters.ts
index 0d81063e57..14059c9cce 100644
--- a/extensions/arc/src/ui/dashboards/postgres/postgresParameters.ts
+++ b/extensions/arc/src/ui/dashboards/postgres/postgresParameters.ts
@@ -196,6 +196,7 @@ export abstract class PostgresParametersPage extends DashboardPage {
 					vscode.window.showErrorMessage(loc.pageDiscardFailed(error));
 				} finally {
 					this.saveButton!.enabled = false;
+					this.parameterUpdates!.clear();
 				}
 			})
 		);