diff --git a/core/clingutils/CMakeLists.txt b/core/clingutils/CMakeLists.txt
index 493c89e89141d..99342dc4b16df 100644
--- a/core/clingutils/CMakeLists.txt
+++ b/core/clingutils/CMakeLists.txt
@@ -85,7 +85,7 @@ if (builtin_clang)
   set(CLANG_RESOURCE_DIR_STEM ${CMAKE_BINARY_DIR}/interpreter/llvm-project/llvm/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}/clang)
   set(CLANG_RESOURCE_DIR_VERSION ${LLVM_VERSION_MAJOR})
 else ()
-  set(CLANG_RESOURCE_DIR_STEM ${LLVM_LIBRARY_DIR}/clang)
+  set(CLANG_RESOURCE_DIR_STEM ${CLANG_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}/clang)
   # A user can define a clang version to use, otherwise find it (but will error if more than one version is present)
   if (NOT DEFINED CLANG_RESOURCE_DIR_VERSION)
     if (NOT EXISTS ${CLANG_RESOURCE_DIR_STEM})
diff --git a/interpreter/CMakeLists.txt b/interpreter/CMakeLists.txt
index 4f5a3d2adddda..a4fc805ce41b5 100644
--- a/interpreter/CMakeLists.txt
+++ b/interpreter/CMakeLists.txt
@@ -408,6 +408,9 @@ if (builtin_clang)
 else()
   find_package(Clang REQUIRED CONFIG)
   message(STATUS "Found Clang ${CLANG_PACKAGE_VERSION} in ${CLANG_CMAKE_DIR}")
+
+  # Forward CLANG_INSTALL_PREFIX so it can be used by core/clingutils/CMakeLists.txt
+  set(CLANG_INSTALL_PREFIX ${CLANG_INSTALL_PREFIX} PARENT_SCOPE)
 endif()
 
 # Reset the compiler flags after compiling LLVM and Clang