diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8051673..b47e05b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,9 +133,12 @@ include_directories(
 # install headers
 install(DIRECTORY boost
     DESTINATION "include"
+    FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
+    DIRECTORY_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE
+                          GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
     FILES_MATCHING
     PATTERN "*.hpp"
-    ${INSTALL_PERMISSIONS_SRC}
+
   )
 
 # add submodules