diff --git a/filc-0/user-config.jam b/filc-0/user-config.jam
index 1cbec11..8e7f49b 100644
--- a/filc-0/user-config.jam
+++ b/filc-0/user-config.jam
@@ -1 +1 @@
-using clang : : fil++ ;
\ No newline at end of file
+using clang : : /opt/fil/bin/fil++ : <cxxflags>"-I/opt/fil/include/x86_64-unknown-linux-gnu/c++/v1" <cxxstd>20 ;