diff --git a/mediapipe/calculators/core/BUILD b/mediapipe/calculators/core/BUILD
index 8fbc9982..9c4b3af7 100644
--- a/mediapipe/calculators/core/BUILD
+++ b/mediapipe/calculators/core/BUILD
@@ -222,10 +222,10 @@ cc_library(
         "//mediapipe/framework:calculator_contract",
         "//mediapipe/framework:calculator_framework",
         "//mediapipe/framework:collection_item_id",
-        "//mediapipe/framework:packet",
         "//mediapipe/framework/formats:classification_cc_proto",
         "//mediapipe/framework/formats:detection_cc_proto",
         "//mediapipe/framework/formats:landmark_cc_proto",
+        "//mediapipe/framework/formats:matrix",
         "//mediapipe/framework/formats:rect_cc_proto",
         "//mediapipe/framework/port:integral_types",
         "//mediapipe/framework/port:ret_check",
diff --git a/mediapipe/calculators/core/end_loop_calculator.cc b/mediapipe/calculators/core/end_loop_calculator.cc
index b321f427..45cd8a9f 100644
--- a/mediapipe/calculators/core/end_loop_calculator.cc
+++ b/mediapipe/calculators/core/end_loop_calculator.cc
@@ -19,6 +19,7 @@
 #include "mediapipe/framework/formats/classification.pb.h"
 #include "mediapipe/framework/formats/detection.pb.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
+#include "mediapipe/framework/formats/matrix.h"
 #include "mediapipe/framework/formats/rect.pb.h"
 #include "mediapipe/util/render_data.pb.h"
 #include "tensorflow/lite/interpreter.h"
@@ -58,4 +59,7 @@ typedef EndLoopCalculator<std::vector<::mediapipe::Detection>>
     EndLoopDetectionCalculator;
 REGISTER_CALCULATOR(EndLoopDetectionCalculator);
 
+typedef EndLoopCalculator<std::vector<Matrix>> EndLoopMatrixCalculator;
+REGISTER_CALCULATOR(EndLoopMatrixCalculator);
+
 }  // namespace mediapipe