--- llbuild/products/llbuildSwift/CMakeLists.txt.orig	2026-09-11 17:14:03 UTC
+++ llbuild/products/llbuildSwift/CMakeLists.txt
@@ -65,7 +65,7 @@
   if(NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
     target_link_options(llbuildSwift PRIVATE "SHELL:-no-toolchain-stdlib-rpath")
     set_target_properties(llbuildSwift PROPERTIES
-      INSTALL_RPATH "$ORIGIN/../../$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>")
+      INSTALL_RPATH "$ORIGIN/../../$<IF:$<STREQUAL:${CMAKE_SYSTEM_NAME},MidnightBSD>,freebsd,$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>>")
   endif()
 endif()
 set_target_properties(llbuildSwift PROPERTIES
