diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index 0e00203ee72..5eda92acf1f 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -232,6 +232,7 @@ static const struct wined3d_typed_format_info typed_formats[] =
     {WINED3DFMT_R10G10B10A2_UNORM,        WINED3DFMT_R10G10B10A2_TYPELESS,  "uuuu"},
     {WINED3DFMT_R8G8B8A8_UINT,            WINED3DFMT_R8G8B8A8_TYPELESS,     "UUUU"},
     {WINED3DFMT_R8G8B8A8_SINT,            WINED3DFMT_R8G8B8A8_TYPELESS,     "IIII"},
+    {WINED3DFMT_R8G8B8A8_SNORM,           WINED3DFMT_R8G8B8A8_TYPELESS,     "iiii"},
     {WINED3DFMT_R8G8B8A8_UNORM_SRGB,      WINED3DFMT_R8G8B8A8_TYPELESS,     "uuuu"},
     {WINED3DFMT_R8G8B8A8_UNORM,           WINED3DFMT_R8G8B8A8_TYPELESS,     "uuuu"},
     {WINED3DFMT_R16G16_UNORM,             WINED3DFMT_R16G16_TYPELESS,       "uu"},