diff --git a/hw/xbox/nv2a/nv2a.c b/hw/xbox/nv2a/nv2a.c
index aa537245a1..7a9420fbc4 100644
--- a/hw/xbox/nv2a/nv2a.c
+++ b/hw/xbox/nv2a/nv2a.c
@@ -309,8 +309,8 @@ static void nv2a_reset(NV2AState *d)
     memset(d->pgraph.regs, 0, sizeof(d->pgraph.regs));
 
     d->pcrtc.start = 0;
-    d->pramdac.core_clock_coeff = 0x00011c01; /* 189MHz...? */
-    d->pramdac.core_clock_freq = 189000000;
+    d->pramdac.core_clock_coeff = 0x00011C01; /* 189MHz...? */
+    d->pramdac.core_clock_freq = 233333324;
     d->pramdac.memory_clock_coeff = 0;
     d->pramdac.video_clock_coeff = 0x0003C20D; /* 25182Khz...? */