diff --git a/googlemaps/index.d.ts b/googlemaps/index.d.ts
index e8d6d8dc2b..fee406b348 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 {