diff --git a/src/actors/item_box/render.inc.c b/src/actors/item_box/render.inc.c
index d4a96a0e3..0d02c3979 100644
--- a/src/actors/item_box/render.inc.c
+++ b/src/actors/item_box/render.inc.c
@@ -1,6 +1,7 @@
 #include <actors.h>
 #include <main.h>
 #include <macros.h>
+#include "port/interpolation/FrameInterpolation.h"
 
 /**
  * @brief Renders the item box actor.
@@ -26,6 +27,9 @@ void render_actor_item_box(Camera* camera, struct ItemBox* item_box) {
     f32 temp_f2_2;
     f32 someMultiplier;
 
+    FrameInterpolation_RecordMatrixPush(someMatrix1);
+    FrameInterpolation_RecordMatrixPush(someMatrix2);
+
     temp_f0 = is_within_render_distance(camera->pos, item_box->pos, camera->rot[1], 0.0f, gCameraZoom[camera - camera1],
                                         4000000.0f);
     if (CVarGetInteger("gNoCulling", 0) == 1) {
@@ -179,4 +183,7 @@ void render_actor_item_box(Camera* camera, struct ItemBox* item_box) {
         }
         gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     }
+
+    FrameInterpolation_RecordMatrixPop(someMatrix1);
+    FrameInterpolation_RecordMatrixPop(someMatrix2);
 }
diff --git a/src/engine/Matrix.cpp b/src/engine/Matrix.cpp
index e46804ad5..0104de47c 100644
--- a/src/engine/Matrix.cpp
+++ b/src/engine/Matrix.cpp
@@ -14,7 +14,6 @@ void AddMatrix(std::vector<Mtx>& stack, Mat4 mtx, s32 flags) {
     stack.emplace_back();
 
     // Convert to a fixed-point matrix
-    FrameInterpolation_RecordMatrixMtxFToMtx((MtxF*)mtx, &stack.back());
     guMtxF2L(mtx, &stack.back());
 
     // Load the matrix
diff --git a/src/port/interpolation/FrameInterpolation.h b/src/port/interpolation/FrameInterpolation.h
index 93f4dd0a9..87012f66b 100644
--- a/src/port/interpolation/FrameInterpolation.h
+++ b/src/port/interpolation/FrameInterpolation.h
@@ -35,9 +35,9 @@ void FrameInterpolation_RecordActorPosRotMatrix(void);
 
 void FrameInterpolation_RecordMatrixPosRotXYZ(Mat4 out, Vec3f pos, Vec3s orientation);
 
-void FrameInterpolation_RecordMatrixPush(Mat4* mtx);
+void FrameInterpolation_RecordMatrixPush(Mat4* matrix);
 
-void FrameInterpolation_RecordMatrixPop(Mat4* mtx);
+void FrameInterpolation_RecordMatrixPop(Mat4* matrix);
 
 //void FrameInterpolation_RecordMatrixMult(Matrix* matrix, MtxF* mf, u8 mode);