diff --git a/src/application/egl-app.cpp b/src/application/egl-app.cpp
index efc6a4a1..b5ddda18 100644
--- a/src/application/egl-app.cpp
+++ b/src/application/egl-app.cpp
@@ -245,7 +245,7 @@ EglApp::EglApp(char const *title, ivec2 res, float fps) :
 #   endif
 
 #   if LOL_USE_SDL
-    new SdlInput(res.x, res.y, data->screen_size.x, data->screen_size.y);
+    new SdlInput(data->screen_size.x, data->screen_size.y);
 #   endif
 
     Video::Setup((ivec2)data->screen_size);
diff --git a/src/application/sdl-app.cpp b/src/application/sdl-app.cpp
index 5330c1a8..722baacd 100644
--- a/src/application/sdl-app.cpp
+++ b/src/application/sdl-app.cpp
@@ -162,7 +162,7 @@ sdl::app::app(char const *title, ivec2 res, float fps)
     new D3d9Input();
 #endif
 
-    new SdlInput(res.x, res.y, screen_size.x, screen_size.y);
+    new SdlInput(screen_size.x, screen_size.y);
 #endif
 }
 
diff --git a/src/ui/sdl-input.cpp b/src/ui/sdl-input.cpp
index 71fded7f..de7d8bc3 100644
--- a/src/ui/sdl-input.cpp
+++ b/src/ui/sdl-input.cpp
@@ -43,9 +43,8 @@ namespace lol
  * Public SdlInput class
  */
 
-SdlInput::SdlInput(int app_w, int app_h, int screen_w, int screen_h)
-  : m_app(vec2((float)app_w, (float)app_h)),
-    m_screen(vec2((float)screen_w, (float)screen_h))
+SdlInput::SdlInput(int screen_w, int screen_h)
+  : m_screen(vec2((float)screen_w, (float)screen_h))
 {
 #if _WIN32 || defined __APPLE__
     m_tick_in_draw_thread = true;
@@ -247,7 +246,7 @@ void SdlInput::tick(float seconds)
     ivec2 window_size;
     // FIXME: get actual window size
     //SDL_GetWindowSize(m_window, &window_size.x, &window_size.y);
-    window_size = (ivec2)m_app;
+    window_size = Video::GetSize();
 
     ivec2 mouse_pos(-1, -1);
     SDL_GetMouseState(&mouse_pos.x, &mouse_pos.y);
diff --git a/src/ui/sdl-input.h b/src/ui/sdl-input.h
index 0d366765..b4bdbf27 100644
--- a/src/ui/sdl-input.h
+++ b/src/ui/sdl-input.h
@@ -36,7 +36,7 @@ class SdlInput : public entity
 {
 public:
     /** passing the screen resolution (note: not the windowed app resolution!) allows to make the mouse axis resolution-independent */
-    SdlInput(int app_w, int app_h, int screen_w, int screen_h);
+    SdlInput(int screen_w, int screen_h);
 
     virtual ~SdlInput();
     void SetScreenResolution();