diff --git a/port/fast3d/gfx_pc.cpp b/port/fast3d/gfx_pc.cpp
index 85a2b038d..dfc89527f 100644
--- a/port/fast3d/gfx_pc.cpp
+++ b/port/fast3d/gfx_pc.cpp
@@ -2540,8 +2540,8 @@ extern "C" void gfx_init(struct GfxWindowManagerAPI* wapi, struct GfxRenderingAP
     gfx_rapi->update_framebuffer_parameters(0, width, height, 1, false, true, true, true);
     gfx_current_dimensions.internal_mul = 1;
     gfx_msaa_level = 1;
-    gfx_current_dimensions.width = width;
-    gfx_current_dimensions.height = height;
+    gfx_current_game_window_viewport.width = gfx_current_dimensions.width = width;
+    gfx_current_game_window_viewport.height = gfx_current_dimensions.height = height;
     game_framebuffer = gfx_rapi->create_framebuffer();
     game_framebuffer_msaa_resolved = gfx_rapi->create_framebuffer();
 
diff --git a/port/src/video.c b/port/src/video.c
index 786e10c36..195e98772 100644
--- a/port/src/video.c
+++ b/port/src/video.c
@@ -25,8 +25,6 @@ s32 videoInit(void)
 	renderingAPI = &gfx_opengl_api;
 	gfx_current_native_viewport.width = 320;
 	gfx_current_native_viewport.height = 240;
-	gfx_current_game_window_viewport.width = 640;
-	gfx_current_game_window_viewport.height = 480;
 	gfx_init(wmAPI, renderingAPI, "PD", false, 640, 480, 100, 100);
 	initDone = true;
 	return 0;