diff --git a/hw/xbox/nv2a/nv2a_regs.h b/hw/xbox/nv2a/nv2a_regs.h
index 735c8c8f95..978106266a 100644
--- a/hw/xbox/nv2a/nv2a_regs.h
+++ b/hw/xbox/nv2a/nv2a_regs.h
@@ -1087,6 +1087,7 @@
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_R8B8           0x29
 # define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_DEPTH_X8_Y24_FIXED 0x2E
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_DEPTH_Y16_FIXED 0x30
+#           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_DEPTH_Y16_FLOAT 0x31
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_Y16      0x35
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A8B8G8R8       0x3A
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_R8G8B8A8       0x3C
diff --git a/hw/xbox/nv2a/pgraph.c b/hw/xbox/nv2a/pgraph.c
index e3d6406fec..9ede7649e1 100644
--- a/hw/xbox/nv2a/pgraph.c
+++ b/hw/xbox/nv2a/pgraph.c
@@ -259,6 +259,8 @@ static const ColorFormatInfo kelvin_color_format_map[66] = {
         {4, true, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8},
     [NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_DEPTH_Y16_FIXED] =
         {2, true, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT},
+    [NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_DEPTH_Y16_FLOAT] =
+        {2, true, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_FLOAT},
     [NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_Y16] =
         {2, true, GL_R16, GL_RED, GL_UNSIGNED_SHORT,
          {GL_RED, GL_RED, GL_RED, GL_ONE}},