diff --git a/tests/gfx/source/os/horizon-ctr.cpp b/tests/gfx/source/os/horizon-ctr.cpp
index 805ef0c..1e2de4b 100644
--- a/tests/gfx/source/os/horizon-ctr.cpp
+++ b/tests/gfx/source/os/horizon-ctr.cpp
@@ -31,6 +31,7 @@ void HorizonCtr::Init() {
   }
   link3dsStdio();
   romfsInit();
+  osSetSpeedupEnable(true);
   gfxInitDefault();
   consoleInit(GFX_BOTTOM, nullptr);
   C3D_Init(C3D_DEFAULT_CMDBUF_SIZE);