diff --git a/lib/decoding/CMakeLists.txt b/lib/decoding/CMakeLists.txt
index 144c006..cacfc55 100644
--- a/lib/decoding/CMakeLists.txt
+++ b/lib/decoding/CMakeLists.txt
@@ -17,6 +17,8 @@
 # the Free Software Foundation, Inc., 51 Franklin Street,
 # Boston, MA 02110-1301, USA.
 
+add_subdirectory(osmocom/coding)
+add_subdirectory(openbts)
 
 add_subdirectory(osmocom/coding)
 add_subdirectory(openbts)