diff --git a/src/tex2lyx/Preamble.cpp b/src/tex2lyx/Preamble.cpp
index b643c90b13..7e902c6c7e 100644
--- a/src/tex2lyx/Preamble.cpp
+++ b/src/tex2lyx/Preamble.cpp
@@ -181,7 +181,7 @@ const char * const known_xetex_packages[] = {"arabxetex", "fixlatvian",
 const char * const known_lyx_packages[] = {"amsbsy", "amsmath", "amssymb",
 "amstext", "amsthm", "array", "babel", "booktabs", "calc", "CJK", "color",
 "float", "fontspec", "graphicx", "hhline", "ifthen", "longtable", "makeidx",
-"multirow", "nomencl", "pdfpages", "rotating", "rotfloat", "splitidx",
+"multirow", "nomencl", "pdfpages", "refstyle", "rotating", "rotfloat", "splitidx",
 "setspace", "subscript", "textcomp", "tipa", "tipx", "ulem", "url", "varioref",
 "verbatim", "wrapfig", "xunicode", 0};
 
diff --git a/src/tex2lyx/TODO.txt b/src/tex2lyx/TODO.txt
index 2985608250..1ceeae5441 100644
--- a/src/tex2lyx/TODO.txt
+++ b/src/tex2lyx/TODO.txt
@@ -52,6 +52,7 @@ Format LaTeX feature                        LyX feature
 392    new beamer format                    InsetLayout
 396    nameref.sty                          InsetRef
 399    automatic mathdots loading           \use_mathdots
+404    refstyle.sty                         InsetRef
 407    vertical offset for multirows        InsetTabular
 411    support for polyglossia              \language_package	(the cases of no package, of babel and of custom package is supported)
 415    automatic undertilde loading         \use_package undertilde