diff --git a/libultraship/libultraship/ImGuiImpl.cpp b/libultraship/libultraship/ImGuiImpl.cpp
index a1b44a6df..5581dd5a3 100644
--- a/libultraship/libultraship/ImGuiImpl.cpp
+++ b/libultraship/libultraship/ImGuiImpl.cpp
@@ -1625,12 +1625,10 @@ namespace SohImGui {
             pos = ImVec2(size.x / 2 - sw / 2, 0);
             size = ImVec2(sw, size.y);
         }
-        std::string fb_str = gfxFramebuffer;
-        if (!fb_str.empty()) {
-            uintptr_t fbuf = (uintptr_t)std::stoull(fb_str);
-            //ImGui::ImageSimple(reinterpret_cast<ImTextureID>(fbuf), pos, size);
+        if (gfxFramebuffer != NULL) {
+            //ImGui::ImageSimple(reinterpret_cast<ImTextureID>(gfxFramebuffer), pos, size);
             ImGui::SetCursorPos(pos);
-            ImGui::Image(reinterpret_cast<ImTextureID>(fbuf), size);
+            ImGui::Image(reinterpret_cast<ImTextureID>(gfxFramebuffer), size);
         }
 
         ImGui::End();
diff --git a/libultraship/libultraship/Lib/Fast3D/gfx_pc.cpp b/libultraship/libultraship/Lib/Fast3D/gfx_pc.cpp
index d855012ef..0660d6ebd 100644
--- a/libultraship/libultraship/Lib/Fast3D/gfx_pc.cpp
+++ b/libultraship/libultraship/Lib/Fast3D/gfx_pc.cpp
@@ -48,7 +48,7 @@ extern "C" {
     int ResourceMgr_OTRSigCheck(char* imgData);
 }
 
-std::string gfxFramebuffer;
+uintptr_t gfxFramebuffer;
 
 using namespace std;
 
@@ -2783,7 +2783,7 @@ void gfx_run(Gfx *commands, const std::unordered_map<Mtx *, MtxF>& mtx_replaceme
     rendering_state.scissor = {};
     gfx_run_dl(commands);
     gfx_flush();
-    gfxFramebuffer = string();
+    gfxFramebuffer = NULL;
     if (game_renders_to_framebuffer) {
         gfx_rapi->start_draw_to_framebuffer(0, 1);
         gfx_rapi->clear_framebuffer();
@@ -2793,12 +2793,12 @@ void gfx_run(Gfx *commands, const std::unordered_map<Mtx *, MtxF>& mtx_replaceme
 
             if (different_size) {
                 gfx_rapi->resolve_msaa_color_buffer(game_framebuffer_msaa_resolved, game_framebuffer);
-                gfxFramebuffer = std::to_string((uintptr_t)gfx_rapi->get_framebuffer_texture_id(game_framebuffer_msaa_resolved));
+                gfxFramebuffer = (uintptr_t)gfx_rapi->get_framebuffer_texture_id(game_framebuffer_msaa_resolved);
             } else {
                 gfx_rapi->resolve_msaa_color_buffer(0, game_framebuffer);
             }
         } else {
-            gfxFramebuffer = std::to_string((uintptr_t)gfx_rapi->get_framebuffer_texture_id(game_framebuffer));
+            gfxFramebuffer = (uintptr_t)gfx_rapi->get_framebuffer_texture_id(game_framebuffer);
         }
     }
     SohImGui::DrawFramebufferAndGameInput();
diff --git a/libultraship/libultraship/Lib/Fast3D/gfx_pc.h b/libultraship/libultraship/Lib/Fast3D/gfx_pc.h
index 931093079..feab8e3d9 100644
--- a/libultraship/libultraship/Lib/Fast3D/gfx_pc.h
+++ b/libultraship/libultraship/Lib/Fast3D/gfx_pc.h
@@ -14,7 +14,7 @@
 #define SCREEN_WIDTH 320
 #define SCREEN_HEIGHT 240
 
-extern std::string gfxFramebuffer;
+extern uintptr_t gfxFramebuffer;
 
 struct GfxRenderingAPI;
 struct GfxWindowManagerAPI;