diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index 9d053a3ae5969eb28ee0e508f0e82f50d793cf0b..397826b011aca3e45aa024a7b1c4cb5d30439f15 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -57,6 +57,7 @@ static const struct wined3d_format_channels formats[] =
     {WINED3DFMT_DXT3,                       0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
     {WINED3DFMT_DXT4,                       0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
     {WINED3DFMT_DXT5,                       0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
+    {WINED3DFMT_BC1_UNORM,                  0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
     {WINED3DFMT_BC3_UNORM,                  0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
     {WINED3DFMT_MULTI2_ARGB8,               0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
     {WINED3DFMT_G8R8_G8B8,                  0,  0,  0,  0,   0,  0,  0,  0,    1,   0,     0},
@@ -207,6 +208,7 @@ static const struct wined3d_format_block_info format_block_info[] =
     {WINED3DFMT_DXT3,      4,  4,  16, TRUE},
     {WINED3DFMT_DXT4,      4,  4,  16, TRUE},
     {WINED3DFMT_DXT5,      4,  4,  16, TRUE},
+    {WINED3DFMT_BC1_UNORM, 4,  4,  8,  TRUE},
     {WINED3DFMT_BC3_UNORM, 4,  4,  16, TRUE},
     {WINED3DFMT_ATI1N,     4,  4,  8,  FALSE},
     {WINED3DFMT_ATI2N,     4,  4,  16, FALSE},
@@ -952,6 +954,11 @@ static const struct wined3d_format_texture_info format_texture_info[] =
             WINED3DFMT_FLAG_TEXTURE | WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING
             | WINED3DFMT_FLAG_SRGB_READ | WINED3DFMT_FLAG_COMPRESSED,
             EXT_TEXTURE_COMPRESSION_S3TC, NULL},
+    {WINED3DFMT_BC1_UNORM,              GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,       0,
+            GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
+            WINED3DFMT_FLAG_TEXTURE | WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING
+            | WINED3DFMT_FLAG_COMPRESSED,
+            EXT_TEXTURE_COMPRESSION_S3TC, NULL},
     {WINED3DFMT_BC3_UNORM,              GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,       0,
             GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
             WINED3DFMT_FLAG_TEXTURE | WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING
@@ -2655,6 +2662,8 @@ static void apply_format_fixups(struct wined3d_adapter *adapter, struct wined3d_
     gl_info->formats[idx].flags[WINED3D_GL_RES_TYPE_TEX_3D] &= ~WINED3DFMT_FLAG_TEXTURE;
     idx = getFmtIdx(WINED3DFMT_DXT5);
     gl_info->formats[idx].flags[WINED3D_GL_RES_TYPE_TEX_3D] &= ~WINED3DFMT_FLAG_TEXTURE;
+    idx = getFmtIdx(WINED3DFMT_BC1_UNORM);
+    gl_info->formats[idx].flags[WINED3D_GL_RES_TYPE_TEX_3D] &= ~WINED3DFMT_FLAG_TEXTURE;
     idx = getFmtIdx(WINED3DFMT_BC3_UNORM);
     gl_info->formats[idx].flags[WINED3D_GL_RES_TYPE_TEX_3D] &= ~WINED3DFMT_FLAG_TEXTURE;
     /* Similarly with ATI1N / ATI2N and GL_ARB_texture_compression_rgtc. */