diff --git a/3rdparty/mythes/Makefile.am b/3rdparty/mythes/Makefile.am
index ba77a8b426..59e6f96753 100644
--- a/3rdparty/mythes/Makefile.am
+++ b/3rdparty/mythes/Makefile.am
@@ -5,7 +5,8 @@ noinst_LIBRARIES = liblyxmythes.a
 EXTRA_DIST = \
 	1.2.5/AUTHORS \
 	1.2.5/COPYING \
-	1.2.5/README
+	1.2.5/README \
+	CMakeLists.txt
 
 liblyxmythes_a_SOURCES = \
 	1.2.5/mythes.cxx \