diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e48d713837a..05483c367bd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,8 @@ set(CMAKE_MODULE_PATH
 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
   project(libunwind)
 
+  include(GNUInstallDirs)
+
   # Rely on llvm-config.
   set(CONFIG_OUTPUT)
   if(NOT LLVM_CONFIG_PATH)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 937159e2cb86..07f8b936e7e5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -141,8 +141,8 @@ add_custom_target(unwind DEPENDS ${LIBUNWIND_BUILD_TARGETS})
 
 if (LIBUNWIND_INSTALL_LIBRARY)
   install(TARGETS ${LIBUNWIND_INSTALL_TARGETS}
-    LIBRARY DESTINATION ${LIBUNWIND_INSTALL_PREFIX}lib${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind
-    ARCHIVE DESTINATION ${LIBUNWIND_INSTALL_PREFIX}lib${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind)
+    LIBRARY DESTINATION ${LIBUNWIND_INSTALL_PREFIX}${CMAKE_INSTALL_LIBDIR}${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind
+    ARCHIVE DESTINATION ${LIBUNWIND_INSTALL_PREFIX}${CMAKE_INSTALL_LIBDIR}${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind)
 endif()
 
 if (NOT CMAKE_CONFIGURATION_TYPES AND LIBUNWIND_INSTALL_LIBRARY)