diff --git a/CMakeLists.txt b/CMakeLists.txt
index be7d88a..b4ad4c7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,10 +42,19 @@
 # directory.  To install the headers:
 #   1. mkdir build ; cd build
 #   2. cmake ..
-#   3. cmake --build . install-headers
+#   3. cmake --build . --target install
 
-file(GLOB_RECURSE FILES include/spirv/*)
+file(GLOB_RECURSE HEADER_FILES
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    include/spirv/*)
+foreach(HEADER_FILE ${HEADER_FILES})
+    get_filename_component(HEADER_INSTALL_DIR ${HEADER_FILE} PATH)
+    install(FILES ${HEADER_FILE} DESTINATION ${HEADER_INSTALL_DIR})
+endforeach()
+
+# legacy
 add_custom_target(install-headers
-  COMMAND cmake -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/include/spirv ${CMAKE_INSTALL_PREFIX}/include/spirv)
+    COMMAND cmake -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/include/spirv
+        ${CMAKE_INSTALL_PREFIX}/include/spirv)
 
 add_subdirectory(example)