diff --git a/types/googlemaps/googlemaps-tests.ts b/types/googlemaps/googlemaps-tests.ts
index af271f0d46..65768ee0db 100644
--- a/types/googlemaps/googlemaps-tests.ts
+++ b/types/googlemaps/googlemaps-tests.ts
@@ -749,6 +749,17 @@ const autocomplete = new google.maps.places.Autocomplete(document.createElement(
 const placeResult = autocomplete.getPlace();
 placeResult.name; // $ExpectType string
 
+/***** google.maps.places.AutocompleteService *****/
+new google.maps.places.AutocompleteService()
+    .getPlacePredictions(
+        {input: 'Kyiv, Ukr'},
+        (result) => {
+            result[0]
+                .structured_formatting
+                .secondary_text_matched_substrings; // $ExpectType PredictionSubstring[] | undefined
+        }
+    );
+
 /***** google.maps.ImageMapType *****/
 const imageMapType = new google.maps.ImageMapType({
     alt: 'alt',
diff --git a/types/googlemaps/index.d.ts b/types/googlemaps/index.d.ts
index 11ba3a17f3..5c2ccd2ccd 100644
--- a/types/googlemaps/index.d.ts
+++ b/types/googlemaps/index.d.ts
@@ -3548,6 +3548,7 @@ declare namespace google.maps {
             main_text: string;
             main_text_matched_substrings: PredictionSubstring[];
             secondary_text: string;
+            secondary_text_matched_substrings?: PredictionSubstring[];
         }
 
         interface OpeningHours {