diff --git a/extensions/ql-vscode/src/config.ts b/extensions/ql-vscode/src/config.ts
index 002d385d5..c35fcd07d 100644
--- a/extensions/ql-vscode/src/config.ts
+++ b/extensions/ql-vscode/src/config.ts
@@ -569,8 +569,8 @@ export async function setRemoteControllerRepo(repo: string | undefined) {
 
 export interface VariantAnalysisConfig {
   controllerRepo: string | undefined;
-  onDidChangeConfiguration?: Event<void>;
   showSystemDefinedRepositoryLists: boolean;
+  onDidChangeConfiguration?: Event<void>;
 }
 
 export class VariantAnalysisConfigListener