diff --git a/googlemaps/index.d.ts b/googlemaps/index.d.ts
index fee406b348..e8d6d8dc2b 100644
--- a/googlemaps/index.d.ts
+++ b/googlemaps/index.d.ts
@@ -2276,7 +2276,7 @@ declare namespace google.maps {
         }
 
         export interface PlaceDetailsRequest  {
-            placeid: string;
+            placeId: string;
         }
 
         export interface PlaceGeometry {