diff --git a/cmake/build_helpers.cmake b/cmake/build_helpers.cmake
index c414c9d9e..8609a0599 100644
--- a/cmake/build_helpers.cmake
+++ b/cmake/build_helpers.cmake
@@ -774,9 +774,11 @@ macro(setupCompilerFlags target)
     endif()
 
     if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND APPLE)
-        execute_process(COMMAND brew --prefix llvm@20 OUTPUT_VARIABLE LLVM_PREFIX OUTPUT_STRIP_TRAILING_WHITESPACE)
-        set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -L${LLVM_PREFIX}/lib/c++")
-        set(CMAKE_SHARED_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -L${LLVM_PREFIX}/lib/c++")
+        execute_process(COMMAND brew --prefix llvm OUTPUT_VARIABLE LLVM_PREFIX OUTPUT_STRIP_TRAILING_WHITESPACE)
+        if (NOT LLVM_PREFIX STREQUAL "")
+            set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -L${LLVM_PREFIX}/lib/c++")
+            set(CMAKE_SHARED_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -L${LLVM_PREFIX}/lib/c++")
+        endif()
         addCCXXFlag("-Wno-unknown-warning-option" ${target})
 
         if (CMAKE_BUILD_TYPE STREQUAL "Debug")