diff --git a/vita3k/gui/include/gui/imgui_impl_sdl.h b/vita3k/gui/include/gui/imgui_impl_sdl.h
index 9f95a2baf8..f958d48263 100644
--- a/vita3k/gui/include/gui/imgui_impl_sdl.h
+++ b/vita3k/gui/include/gui/imgui_impl_sdl.h
@@ -34,7 +34,7 @@ IMGUI_IMPL_API bool     ImGui_ImplSDL2_InitForMetal(SDL_Window* window);
 IMGUI_IMPL_API bool     ImGui_ImplSDL2_InitForSDLRenderer(SDL_Window* window, SDL_Renderer* renderer);
 IMGUI_IMPL_API bool     ImGui_ImplSDL2_InitForOther(SDL_Window* window);
 IMGUI_IMPL_API void     ImGui_ImplSDL2_Shutdown();
-IMGUI_IMPL_API void     ImGui_ImplSDL2_NewFrame(ImGui_State *state);
+IMGUI_IMPL_API void     ImGui_ImplSDL2_NewFrame();
 IMGUI_IMPL_API bool     ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event);
 
 // Gamepad selection automatically starts in AutoFirst mode, picking first available SDL_Gamepad. You may override this.
diff --git a/vita3k/gui/src/gui.cpp b/vita3k/gui/src/gui.cpp
index e60c22a332..c6a15abfd9 100644
--- a/vita3k/gui/src/gui.cpp
+++ b/vita3k/gui/src/gui.cpp
@@ -758,7 +758,7 @@ void init(GuiState &gui, EmuEnvState &emuenv) {
 }
 
 void draw_begin(GuiState &gui, EmuEnvState &emuenv) {
-    ImGui_ImplSDL2_NewFrame(gui.imgui_state.get());
+    ImGui_ImplSDL2_NewFrame();
     ImGui::NewFrame();
     emuenv.renderer_focused = !ImGui::GetIO().WantCaptureMouse;
 
diff --git a/vita3k/gui/src/imgui_impl_sdl.cpp b/vita3k/gui/src/imgui_impl_sdl.cpp
index 64aa0a4618..6c5f23b026 100644
--- a/vita3k/gui/src/imgui_impl_sdl.cpp
+++ b/vita3k/gui/src/imgui_impl_sdl.cpp
@@ -678,7 +678,7 @@ static void ImGui_ImplSDL2_UpdateGamepads()
     ImGui_ImplSDL2_UpdateGamepadAnalog(bd, io, ImGuiKey_GamepadRStickDown,  SDL_CONTROLLER_AXIS_RIGHTY, +thumb_dead_zone, +32767);
 }
 
-void ImGui_ImplSDL2_NewFrame(ImGui_State *state)
+void ImGui_ImplSDL2_NewFrame()
 {
     ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
     IM_ASSERT(bd != nullptr && "Context or backend not initialized! Did you call ImGui_ImplSDL2_Init()?");
@@ -690,20 +690,12 @@ void ImGui_ImplSDL2_NewFrame(ImGui_State *state)
     SDL_GetWindowSize(bd->Window, &w, &h);
     if (SDL_GetWindowFlags(bd->Window) & SDL_WINDOW_MINIMIZED)
         w = h = 0;
-
-    switch (state->renderer->current_backend) {
-    case renderer::Backend::OpenGL:
-        SDL_GL_GetDrawableSize(bd->Window, &display_w, &display_h);
-        break;
-
-    case renderer::Backend::Vulkan:
+    if (bd->Renderer != nullptr)
+        SDL_GetRendererOutputSize(bd->Renderer, &display_w, &display_h);
+    else if (SDL_GetWindowFlags(bd->Window) & SDL_WINDOW_VULKAN)
         SDL_Vulkan_GetDrawableSize(bd->Window, &display_w, &display_h);
-        break;
-
-    default:
-        LOG_ERROR("Missing ImGui init for backend {}.", static_cast<int>(state->renderer->current_backend));
-    }
-
+    else if (SDL_GetWindowFlags(bd->Window) & SDL_WINDOW_OPENGL)
+        SDL_GL_GetDrawableSize(bd->Window, &display_w, &display_h);
     io.DisplaySize = ImVec2((float)w, (float)h);
     if (w > 0 && h > 0)
         io.DisplayFramebufferScale = ImVec2((float)display_w / w, (float)display_h / h);
diff --git a/vita3k/interface.cpp b/vita3k/interface.cpp
index a0772cab6c..b351770e18 100644
--- a/vita3k/interface.cpp
+++ b/vita3k/interface.cpp
@@ -150,7 +150,7 @@ bool install_archive_content(EmuEnvState &emuenv, GuiState *gui, const ZipPtr &z
             gui::GenericDialogState status = gui::UNK_STATE;
 
             while (handle_events(emuenv, *gui) && (status == gui::UNK_STATE)) {
-                ImGui_ImplSDL2_NewFrame(gui->imgui_state.get());
+                ImGui_ImplSDL2_NewFrame();
                 ImGui::NewFrame();
                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
                 gui::draw_ui(*gui, emuenv);