diff --git a/platform/darwin/src/MGLOfflinePack.h b/platform/darwin/src/MGLOfflinePack.h
index 0584abe22..4d41e70f7 100644
--- a/platform/darwin/src/MGLOfflinePack.h
+++ b/platform/darwin/src/MGLOfflinePack.h
@@ -63,6 +63,11 @@ typedef struct MGLOfflinePackProgress {
      The cumulative size of the downloaded resources (inclusive of tiles) on disk, measured in bytes.
      */
     uint64_t countOfBytesCompleted;
+    /**
+     The number of tiles that have been completely downloaded and are ready
+     to use offline.
+     */
+    uint64_t countOfTilesCompleted;
     /**
      The cumulative size of the downloaded tiles on disk, measured in bytes.
      */
diff --git a/platform/darwin/src/MGLOfflinePack.mm b/platform/darwin/src/MGLOfflinePack.mm
index 72806929e..59406074e 100644
--- a/platform/darwin/src/MGLOfflinePack.mm
+++ b/platform/darwin/src/MGLOfflinePack.mm
@@ -153,6 +153,7 @@ private:
     MGLOfflinePackProgress progress;
     progress.countOfResourcesCompleted = status.completedResourceCount;
     progress.countOfBytesCompleted = status.completedResourceSize;
+    progress.countOfTilesCompleted = status.completedTileCount;
     progress.countOfTileBytesCompleted = status.completedTileSize;
     progress.countOfResourcesExpected = status.requiredResourceCount;
     progress.maximumResourcesExpected = status.requiredResourceCountIsPrecise ? status.requiredResourceCount : UINT64_MAX;