diff --git a/src/device_controller/device_controller.h b/src/device_controller/device_controller.h
index 6383d31..3f1ae84 100644
--- a/src/device_controller/device_controller.h
+++ b/src/device_controller/device_controller.h
@@ -28,8 +28,8 @@ typedef enum {
 } MouseFlag;
 typedef enum { key_down = 0, key_up } KeyFlag;
 typedef struct {
-  int x;
-  int y;
+  float x;
+  float y;
   int s;
   MouseFlag flag;
 } Mouse;
diff --git a/src/device_controller/mouse/linux/mouse_controller.cpp b/src/device_controller/mouse/linux/mouse_controller.cpp
index ae92982..5467002 100644
--- a/src/device_controller/mouse/linux/mouse_controller.cpp
+++ b/src/device_controller/mouse/linux/mouse_controller.cpp
@@ -49,8 +49,8 @@ int MouseController::Init(int screen_width, int screen_height) {
 int MouseController::Destroy() { return 0; }
 
 int MouseController::SendMouseCommand(RemoteAction remote_action) {
-  int mouse_pos_x = remote_action.m.x;
-  int mouse_pos_y = remote_action.m.y;
+  int mouse_pos_x = remote_action.m.x * screen_width_;
+  int mouse_pos_y = remote_action.m.y * screen_height_;
 
   if (remote_action.type == ControlType::mouse) {
     struct input_event event;
diff --git a/src/device_controller/mouse/mac/mouse_controller.cpp b/src/device_controller/mouse/mac/mouse_controller.cpp
index 7d870cd..f289790 100644
--- a/src/device_controller/mouse/mac/mouse_controller.cpp
+++ b/src/device_controller/mouse/mac/mouse_controller.cpp
@@ -12,19 +12,14 @@ int MouseController::Init(int screen_width, int screen_height) {
   screen_width_ = screen_width;
   screen_height_ = screen_height;
 
-  pixel_width_ =
-      CGDisplayModeGetPixelWidth(CGDisplayCopyDisplayMode(CGMainDisplayID()));
-  pixel_height_ =
-      CGDisplayModeGetPixelHeight(CGDisplayCopyDisplayMode(CGMainDisplayID()));
-
   return 0;
 }
 
 int MouseController::Destroy() { return 0; }
 
 int MouseController::SendMouseCommand(RemoteAction remote_action) {
-  int mouse_pos_x = remote_action.m.x * screen_width_ / pixel_width_;
-  int mouse_pos_y = remote_action.m.y * screen_height_ / pixel_height_;
+  int mouse_pos_x = remote_action.m.x * screen_width_;
+  int mouse_pos_y = remote_action.m.y * screen_height_;
 
   if (remote_action.type == ControlType::mouse) {
     CGEventRef mouse_event = nullptr;
diff --git a/src/device_controller/mouse/mac/mouse_controller.h b/src/device_controller/mouse/mac/mouse_controller.h
index 526f8eb..276d5a1 100644
--- a/src/device_controller/mouse/mac/mouse_controller.h
+++ b/src/device_controller/mouse/mac/mouse_controller.h
@@ -22,9 +22,6 @@ class MouseController : public DeviceController {
  private:
   int screen_width_ = 0;
   int screen_height_ = 0;
-
-  int pixel_width_ = 0;
-  int pixel_height_ = 0;
 };
 
 #endif
\ No newline at end of file
diff --git a/src/device_controller/mouse/windows/mouse_controller.cpp b/src/device_controller/mouse/windows/mouse_controller.cpp
index 9760ad1..1cf04ea 100644
--- a/src/device_controller/mouse/windows/mouse_controller.cpp
+++ b/src/device_controller/mouse/windows/mouse_controller.cpp
@@ -20,8 +20,8 @@ int MouseController::SendMouseCommand(RemoteAction remote_action) {
 
   if (remote_action.type == ControlType::mouse) {
     ip.type = INPUT_MOUSE;
-    ip.mi.dx = (LONG)remote_action.m.x;
-    ip.mi.dy = (LONG)remote_action.m.y;
+    ip.mi.dx = (LONG)(remote_action.m.x * screen_width_);
+    ip.mi.dy = (LONG)(remote_action.m.y * screen_height_);
 
     switch (remote_action.m.flag) {
       case MouseFlag::left_down:
diff --git a/src/single_window/render_callback_func.cpp b/src/single_window/render_callback_func.cpp
index cd4a7bf..62584f8 100644
--- a/src/single_window/render_callback_func.cpp
+++ b/src/single_window/render_callback_func.cpp
@@ -62,13 +62,11 @@ int Render::ProcessMouseEvent(SDL_Event &event) {
       last_mouse_event.button.x = event.button.x;
       last_mouse_event.button.y = event.button.y;
 
-      ratio_x = (float)props->video_width_ / (float)render_width;
-      ratio_y = (float)props->video_height_ / (float)render_height;
-
       remote_action.m.x =
-          (size_t)((event.button.x - props->stream_render_rect_.x) * ratio_x);
+          (float)(event.button.x - props->stream_render_rect_.x) / render_width;
       remote_action.m.y =
-          (size_t)((event.button.y - props->stream_render_rect_.y) * ratio_y);
+          (float)(event.button.y - props->stream_render_rect_.y) /
+          render_height;
 
       if (SDL_MOUSEBUTTONDOWN == event.type) {
         remote_action.type = ControlType::mouse;
@@ -123,14 +121,11 @@ int Render::ProcessMouseEvent(SDL_Event &event) {
 
       render_width = props->stream_render_rect_.w;
       render_height = props->stream_render_rect_.h;
-      ratio_x = (float)props->video_width_ / (float)render_width;
-      ratio_y = (float)props->video_height_ / (float)render_height;
       remote_action.m.x =
-          (size_t)((last_mouse_event.button.x - props->stream_render_rect_.x) *
-                   ratio_x);
+          (float)(event.button.x - props->stream_render_rect_.x) / render_width;
       remote_action.m.y =
-          (size_t)((last_mouse_event.button.y - props->stream_render_rect_.y) *
-                   ratio_y);
+          (float)(event.button.y - props->stream_render_rect_.y) /
+          render_height;
 
       SendDataFrame(props->peer_, (const char *)&remote_action,
                     sizeof(remote_action));