diff --git a/src/Core.h b/src/Core.h
index 33ede1110..96d5886e9 100644
--- a/src/Core.h
+++ b/src/Core.h
@@ -292,6 +292,7 @@ typedef cc_uint8  cc_bool;
 	#define CC_BUILD_COOPTHREADED
 	#define CC_BUILD_HTTPCLIENT
 	#define CC_BUILD_BEARSSL
+	#define CC_BUILD_SPLITSCREEN
 #elif defined __vita__
 	#define CC_BUILD_PSVITA
 	#define CC_BUILD_CONSOLE
diff --git a/src/Graphics_GCWii.c b/src/Graphics_GCWii.c
index 3c522b5df..48deb9a63 100644
--- a/src/Graphics_GCWii.c
+++ b/src/Graphics_GCWii.c
@@ -27,9 +27,8 @@ static void InitGX(void) {
 	memset(fifo_buffer, 0, FIFO_SIZE);
 
 	GX_Init(fifo_buffer, FIFO_SIZE);
-	GX_SetViewport(0, 0, mode->fbWidth, mode->efbHeight, 0, 1);
+	Gfx_SetViewport(0, 0, mode->fbWidth, mode->efbHeight);
 	GX_SetDispCopyYScale((f32)mode->xfbHeight / (f32)mode->efbHeight);
-	GX_SetScissor(0, 0, mode->fbWidth, mode->efbHeight);
 	GX_SetDispCopySrc(0, 0, mode->fbWidth, mode->efbHeight);
 	GX_SetDispCopyDst(mode->fbWidth, mode->xfbHeight);
 	GX_SetCopyFilter(mode->aa, mode->sample_pattern,
@@ -312,7 +311,10 @@ void Gfx_EndFrame(void) {
 
 void Gfx_OnWindowResize(void) { }
 
-void Gfx_SetViewport(int x, int y, int w, int h) { }
+void Gfx_SetViewport(int x, int y, int w, int h) {
+	GX_SetViewport(x, y, w, h, 0, 1);
+	GX_SetScissor(x, y, w, h);
+}
 
 cc_bool Gfx_WarnIfNecessary(void) { return false; }
 
@@ -595,4 +597,4 @@ void Gfx_DrawVb_IndexedTris(int verticesCount) {
 void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) {
 	Draw_TexturedTriangles(verticesCount, startVertex);
 }
-#endif
\ No newline at end of file
+#endif