diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 1d0407d..7905c44 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -166,7 +166,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
     {"GL_EXT_stencil_wrap",                 EXT_STENCIL_WRAP,               0                           },
     {"GL_EXT_texture3D",                    EXT_TEXTURE3D,                  MAKEDWORD_VERSION(1, 2)     },
     {"GL_EXT_texture_compression_rgtc",     EXT_TEXTURE_COMPRESSION_RGTC,   0                           },
-    {"GL_EXT_texture_compression_s3tc",     EXT_TEXTURE_COMPRESSION_S3TC,   0                           },
+    //    {"GL_EXT_texture_compression_s3tc",     EXT_TEXTURE_COMPRESSION_S3TC,   0                           },
     {"GL_EXT_texture_env_add",              EXT_TEXTURE_ENV_ADD,            0                           },
     {"GL_EXT_texture_env_combine",          EXT_TEXTURE_ENV_COMBINE,        0                           },
     {"GL_EXT_texture_env_dot3",             EXT_TEXTURE_ENV_DOT3,           0                           },