diff --git a/devel/Makefile b/devel/Makefile
index 14eb3cacf7f0..4da71e0953a1 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -1514,6 +1514,7 @@
     SUBDIR += llvm15
     SUBDIR += llvm16
     SUBDIR += llvm17
+    SUBDIR += llvm18
     SUBDIR += lm4tools
     SUBDIR += lmdbg
     SUBDIR += lndir