4 files changed, 7 insertions, 4 deletions
diff --git a/src/mbgl/tile/raster_dem_tile.cpp b/src/mbgl/tile/raster_dem_tile.cpp
index b270378ece..5db298cf4c 100644
--- a/src/mbgl/tile/raster_dem_tile.cpp
+++ b/src/mbgl/tile/raster_dem_tile.cpp
@@ -21,6 +21,7 @@ RasterDEMTile::RasterDEMTile(const OverscaledTileID& id_,
       worker(parameters.workerScheduler,
              ActorRef<RasterDEMTile>(*this, mailbox)) {
 
+    encoding = tileset.encoding;
     if ( id.canonical.y == 0 ){
         // this tile doesn't have upper neighboring tiles so marked those as backfilled
         neighboringTiles = neighboringTiles | DEMTileNeighbors::NoUpper;
@@ -47,7 +48,7 @@ void RasterDEMTile::setMetadata(optional<Timestamp> modified_, optional<Timestam
 void RasterDEMTile::setData(std::shared_ptr<const std::string> data) {
     pending = true;
     ++correlationID;
-    worker.invoke(&RasterDEMTileWorker::parse, data, correlationID);
+    worker.invoke(&RasterDEMTileWorker::parse, data, correlationID, encoding);
 }
 
 void RasterDEMTile::onParsed(std::unique_ptr<HillshadeBucket> result, const uint64_t resultCorrelationID) {
diff --git a/src/mbgl/tile/raster_dem_tile.hpp b/src/mbgl/tile/raster_dem_tile.hpp
index 68f8a91e00..0c8dd75961 100644
--- a/src/mbgl/tile/raster_dem_tile.hpp
+++ b/src/mbgl/tile/raster_dem_tile.hpp
@@ -94,6 +94,7 @@ private:
     Actor<RasterDEMTileWorker> worker;
     
     uint64_t correlationID = 0;
+    Tileset::DEMEncoding encoding;
 
     // Contains the Bucket object for the tile. Buckets are render
     // objects and they get added by tile parsing operations.
diff --git a/src/mbgl/tile/raster_dem_tile_worker.cpp b/src/mbgl/tile/raster_dem_tile_worker.cpp
index ed8573788f..7338e578c7 100644
--- a/src/mbgl/tile/raster_dem_tile_worker.cpp
+++ b/src/mbgl/tile/raster_dem_tile_worker.cpp
@@ -10,14 +10,14 @@ RasterDEMTileWorker::RasterDEMTileWorker(ActorRef<RasterDEMTileWorker>, ActorRef
     : parent(std::move(parent_)) {
 }
 
-void RasterDEMTileWorker::parse(std::shared_ptr<const std::string> data, uint64_t correlationID) {
+void RasterDEMTileWorker::parse(std::shared_ptr<const std::string> data, uint64_t correlationID, Tileset::DEMEncoding encoding) {
     if (!data) {
         parent.invoke(&RasterDEMTile::onParsed, nullptr, correlationID); // No data; empty tile.
         return;
     }
 
     try {
-        auto bucket = std::make_unique<HillshadeBucket>(decodeImage(*data));
+        auto bucket = std::make_unique<HillshadeBucket>(decodeImage(*data), encoding);
         parent.invoke(&RasterDEMTile::onParsed, std::move(bucket), correlationID);
     } catch (...) {
         parent.invoke(&RasterDEMTile::onError, std::current_exception(), correlationID);
diff --git a/src/mbgl/tile/raster_dem_tile_worker.hpp b/src/mbgl/tile/raster_dem_tile_worker.hpp
index 14fd1f43b5..5a8222bc2d 100644
--- a/src/mbgl/tile/raster_dem_tile_worker.hpp
+++ b/src/mbgl/tile/raster_dem_tile_worker.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <mbgl/actor/actor_ref.hpp>
+#include <mbgl/util/tileset.hpp>
 
 #include <memory>
 #include <string>
@@ -13,7 +14,7 @@ class RasterDEMTileWorker {
 public:
     RasterDEMTileWorker(ActorRef<RasterDEMTileWorker>, ActorRef<RasterDEMTile>);
 
-    void parse(std::shared_ptr<const std::string> data, uint64_t correlationID);
+    void parse(std::shared_ptr<const std::string> data, uint64_t correlationID, Tileset::DEMEncoding encoding);
 
 private:
     ActorRef<RasterDEMTile> parent;