diff --git a/app/src/scrcpy.c b/app/src/scrcpy.c
index 23de4984..5bf4289d 100644
--- a/app/src/scrcpy.c
+++ b/app/src/scrcpy.c
@@ -84,6 +84,17 @@ static SDL_bool event_loop(void) {
                     case SDL_WINDOWEVENT_EXPOSED:
                     case SDL_WINDOWEVENT_SIZE_CHANGED:
                         screen_render(&screen);
+                        int scale_x, scale_y;
+                        get_window_scale(SDL_GetWindowFromID(event.button.windowID), &scale_x, &scale_y);
+                        if (scale_x != screen.scale_x || scale_y != screen.scale_y) {
+                            int logical_width, logical_height;
+                            SDL_RenderGetLogicalSize(screen.renderer, &logical_width, &logical_height);
+                            logical_width *= (float)scale_x / screen.scale_x;
+                            logical_height *= (float)scale_y / screen.scale_y;
+                            screen.scale_x = scale_x;
+                            screen.scale_y = scale_y;
+                            SDL_RenderSetLogicalSize(screen.renderer, logical_width, logical_height);
+                        }
                         break;
                 }
                 break;
diff --git a/app/src/screen.c b/app/src/screen.c
index 5b4f0634..edd5aecf 100644
--- a/app/src/screen.c
+++ b/app/src/screen.c
@@ -65,6 +65,15 @@ static void set_window_size(struct screen *screen, struct size new_size) {
     }
 }
 
+void get_window_scale(SDL_Window *window, int *scale_x, int *scale_y) {
+    int win_w, win_h;
+    SDL_GetWindowSize(window, &win_w, &win_h);
+    int output_w, output_h;
+    SDL_GL_GetDrawableSize(window, &output_w, &output_h);
+    *scale_x = output_w / win_w;
+    *scale_y = output_h / win_h;
+}
+
 // get the preferred display bounds (i.e. the screen bounds with some margins)
 static SDL_bool get_preferred_display_bounds(struct size *bounds) {
     SDL_Rect rect;
@@ -168,6 +177,7 @@ SDL_bool screen_init_rendering(struct screen *screen, const char *device_name, s
         screen_destroy(screen);
         return SDL_FALSE;
     }
+    get_window_scale(screen->window, &screen->scale_x, &screen->scale_y);
 
     SDL_Surface *icon = read_xpm(icon_xpm);
     if (!icon) {
diff --git a/app/src/screen.h b/app/src/screen.h
index 13103eaa..ab2ebbd4 100644
--- a/app/src/screen.h
+++ b/app/src/screen.h
@@ -12,6 +12,8 @@ struct screen {
     SDL_Renderer *renderer;
     SDL_Texture *texture;
     struct size frame_size;
+    int scale_x;
+    int scale_y;
     //used only in fullscreen mode to know the windowed window size
     struct size windowed_window_size;
     SDL_bool has_frame;
@@ -66,4 +68,6 @@ void screen_resize_to_fit(struct screen *screen);
 // resize window to 1:1 (pixel-perfect)
 void screen_resize_to_pixel_perfect(struct screen *screen);
 
+void get_window_scale(SDL_Window *window, int *scale_x, int *scale_y);
+
 #endif