diff --git a/libraries/plugins/peerplays_sidechain/CMakeLists.txt b/libraries/plugins/peerplays_sidechain/CMakeLists.txt
index ad48ca62..b6e94298 100644
--- a/libraries/plugins/peerplays_sidechain/CMakeLists.txt
+++ b/libraries/plugins/peerplays_sidechain/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_subdirectory( sidechain )
+
 file(GLOB HEADERS "include/graphene/peerplays_sidechain_history/*.hpp")
 
 add_library( peerplays_sidechain
@@ -15,4 +17,4 @@ install( TARGETS
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib
 )
-INSTALL( FILES ${HEADERS} DESTINATION "include/graphene/peerplays_sidechain" )
\ No newline at end of file
+INSTALL( FILES ${HEADERS} DESTINATION "include/graphene/peerplays_sidechain" )