diff --git a/src/xenia/gpu/xenos.h b/src/xenia/gpu/xenos.h
index a0451878b..7d6c4f6e9 100644
--- a/src/xenia/gpu/xenos.h
+++ b/src/xenia/gpu/xenos.h
@@ -139,6 +139,8 @@ enum class ColorFormat : uint32_t {
   k_32_32_FLOAT = 37,
   k_32_32_32_32_FLOAT = 38,
   k_2_10_10_10_FLOAT = 62,
+
+  kUnknown0x36 = 0x36,  // not sure, but like 8888
 };
 
 enum class VertexFormat : uint32_t {
diff --git a/src/xenia/kernel/xboxkrnl_video.cc b/src/xenia/kernel/xboxkrnl_video.cc
index c2db0eee6..36a1cddd1 100644
--- a/src/xenia/kernel/xboxkrnl_video.cc
+++ b/src/xenia/kernel/xboxkrnl_video.cc
@@ -306,7 +306,8 @@ void VdSwap(lpvoid_t buffer_ptr,  // ptr into primary ringbuffer
 
   auto color_format = gpu::xenos::ColorFormat(color_format_ptr.value());
   auto color_space = *color_space_ptr;
-  assert_true(color_format == gpu::xenos::ColorFormat::k_8_8_8_8);
+  assert_true(color_format == gpu::xenos::ColorFormat::k_8_8_8_8 ||
+              color_format == gpu::xenos::ColorFormat::kUnknown0x36);
   assert_true(color_space == 0);
   assert_true(*frontbuffer_ptr == fetch.address << 12);
   assert_true(last_frontbuffer_width_ == 1 + fetch.size_2d.width);