diff --git a/configure.in b/configure.in
index 72e573690..6be1af64e 100644
--- a/configure.in
+++ b/configure.in
@@ -116,7 +116,7 @@ AC_ARG_ENABLE(shape,       [  --disable-shape             disable metacity's use
 ## try definining HAVE_BACKTRACE
 AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])
 
-ALL_LINGUAS="am az bg ca cs da de el es fi fr gl he hu it ja ko lv mk ms no pl pt pt_BR ro ru sk sv tr uk vi zh_CN zh_TW"
+ALL_LINGUAS="am az bg ca cs da de el es fi fr gl he hu it ja ko lv mk ms no pl pt pt_BR ro ru sl sk sv tr uk vi zh_CN zh_TW"
 AM_GLIB_GNU_GETTEXT
 
 ## here we get the flags we'll actually use