diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 601c258..c8c91f2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -108,7 +108,7 @@
 # Build the shared library.
 if (LIBUNWIND_ENABLE_SHARED)
   add_library(unwind_shared SHARED $<TARGET_OBJECTS:unwind_objects>)
-  if(LLVM_FOUND)
+  if(COMMAND llvm_setup_rpath)
     llvm_setup_rpath(unwind_shared)
   endif()
   target_link_libraries(unwind_shared ${libraries})