1diff --git a/CMakeLists.txt b/CMakeLists.txt
2index 5a06805f05f1..86a50329e6a8 100644
3--- a/CMakeLists.txt
4+++ b/CMakeLists.txt
5@@ -117,7 +117,7 @@ set(LIBUNWIND_INSTALL_RUNTIME_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
6
7 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
8 set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
9- set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
10+ set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
11 "Path where built libunwind libraries should be installed.")
12 if(LIBCXX_LIBDIR_SUBDIR)
13 string(APPEND LIBUNWIND_LIBRARY_DIR /${LIBUNWIND_LIBDIR_SUBDIR})
14@@ -129,7 +129,7 @@ else()
15 else()
16 set(LIBUNWIND_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBUNWIND_LIBDIR_SUFFIX})
17 endif()
18- set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LIBUNWIND_LIBDIR_SUFFIX} CACHE PATH
19+ set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBUNWIND_LIBDIR_SUFFIX} CACHE PATH
20 "Path where built libunwind libraries should be installed.")
21 endif()
22