diff --git a/src/dialogs/config-flow/step-flow-pick-handler.ts b/src/dialogs/config-flow/step-flow-pick-handler.ts
index 8599155837..3305c258d7 100644
--- a/src/dialogs/config-flow/step-flow-pick-handler.ts
+++ b/src/dialogs/config-flow/step-flow-pick-handler.ts
@@ -30,7 +30,7 @@ class StepFlowPickHandler extends LitElement {
   @property() public hass!: HomeAssistant;
   @property() public handlers!: string[];
   @property() private filter?: string;
-  private _width?: Number;
+  private _width?: number;
 
   private _getHandlers = memoizeOne((h: string[], filter?: string) => {
     const handlers: HandlerObj[] = h.map((handler) => {