diff --git a/exosphere/src/bootup.c b/exosphere/src/bootup.c
index e2bbbbee3..962ef8e75 100644
--- a/exosphere/src/bootup.c
+++ b/exosphere/src/bootup.c
@@ -95,6 +95,7 @@ void bootup_misc_mmio(void) {
 
     /* Setup MC carveouts. */
     MAKE_MC_REG(MC_VIDEO_PROTECT_GPU_OVERRIDE_0) = 1;
+    MAKE_MC_REG(MC_VIDEO_PROTECT_GPU_OVERRIDE_1) = 0;
     MAKE_MC_REG(MC_VIDEO_PROTECT_BOM) = 0;
     MAKE_MC_REG(MC_VIDEO_PROTECT_SIZE_MB) = 0;
     MAKE_MC_REG(MC_VIDEO_PROTECT_REG_CTRL) = 1;