diff --git a/types/ol/Geolocation.d.ts b/types/ol/Geolocation.d.ts
index 605626966c..76f7f41f73 100644
--- a/types/ol/Geolocation.d.ts
+++ b/types/ol/Geolocation.d.ts
@@ -74,7 +74,7 @@ export default class Geolocation extends BaseObject {
     un(type: 'propertychange', listener: (evt: ObjectEvent) => void): void;
 }
 declare class GeolocationError extends BaseEvent {
-    constructor(error: PositionError);
+    constructor(error: GeolocationPositionError);
     code: number;
     message: string;
 }
diff --git a/types/ol/index.d.ts b/types/ol/index.d.ts
index e3bcaeb8c6..248c709efa 100644
--- a/types/ol/index.d.ts
+++ b/types/ol/index.d.ts
@@ -2,8 +2,7 @@
 // Project: https://github.com/openlayers/openlayers, https://openlayers.org
 // Definitions by: Rifa'i M. Hanif <https://github.com/hanreev>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 3.1
-// Minimum TypeScript Version: 3.1
+// Minimum TypeScript Version: 4.1
 
 // These definitions is generated using jsdoc. See https://github.com/hanreev/types-ol