diff --git a/mediapipe/framework/tool/mediapipe_graph.bzl b/mediapipe/framework/tool/mediapipe_graph.bzl
index 45d98b1eb..b357e9e85 100644
--- a/mediapipe/framework/tool/mediapipe_graph.bzl
+++ b/mediapipe/framework/tool/mediapipe_graph.bzl
@@ -134,7 +134,7 @@ def mediapipe_simple_subgraph(
     expand_template(
         name = name + "_linked_cc",
         template = clean_dep("//mediapipe/framework/tool:simple_subgraph_template.cc"),
-        out = name + "_linked.cc",
+        out = name + "_linked.h",
         substitutions = {
             "{{SUBGRAPH_CLASS_NAME}}": register_as,
             "{{SUBGRAPH_INC_FILE_PATH}}": native.package_name() + "/" + graph_base_name + ".inc",
@@ -145,7 +145,7 @@ def mediapipe_simple_subgraph(
         native.cc_library(
             name = name,
             srcs = [
-                name + "_linked.cc",
+                name + "_linked.h",
                 graph_base_name + ".inc",
             ],
             deps = [
@@ -161,7 +161,7 @@ def mediapipe_simple_subgraph(
         cc_library_with_tflite(
             name = name,
             srcs = [
-                name + "_linked.cc",
+                name + "_linked.h",
                 graph_base_name + ".inc",
             ],
             tflite_deps = tflite_deps,
diff --git a/mediapipe/objc/solutions/posetracking_gpu/PoseTracking.mm b/mediapipe/objc/solutions/posetracking_gpu/PoseTracking.mm
index 4d668c452..1be6f722c 100644
--- a/mediapipe/objc/solutions/posetracking_gpu/PoseTracking.mm
+++ b/mediapipe/objc/solutions/posetracking_gpu/PoseTracking.mm
@@ -5,8 +5,14 @@
 #include "mediapipe/framework/packet.h"
 #include "mediapipe/calculators/core/flow_limiter_calculator.h"
 #include "mediapipe/calculators/core/constant_side_packet_calculator.h"
+#include "mediapipe/modules/pose_landmark/pose_landmark_gpu_linked.h"
 
+void registerCalculators(){
+    typeid(::mediapipe::FlowLimiterCalculator);
+    typeid(::mediapipe::ConstantSidePacketCalculator);
+    typeid(::mediapipe::PoseLandmarkGpu);
 
+}
 
 static const char* kVideoQueueLabel = "com.google.mediapipe.example.videoQueue";
 static const char* kLandmarksOutputStream = "pose_landmarks";
@@ -131,9 +137,8 @@ static const char* kLandmarksOutputStream = "pose_landmarks";
 }
 
 - (instancetype) initWithPoseTrackingOptions: (PoseTrackingOptions*) poseTrackingOptions{
-    typeid(::mediapipe::FlowLimiterCalculator);
-    typeid(::mediapipe::ConstantSidePacketCalculator);
 
+    registerCalculators();
     self.renderer = [[MPPLayerRenderer alloc] init];
     self.renderer.frameScaleMode = MPPFrameScaleModeFillAndCrop;