diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b185cc83c..8576e8ba33 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1217,10 +1217,10 @@ if (BUILD_TOOL_TOOLKITS)
   # copy tinspector script to install script folder
   if (BUILD_PATCH AND EXISTS "${BUILD_PATCH}/adm/templates/inspector.${SCRIPT_EXT}")
     install (FILES "${BUILD_PATCH}/adm/templates/inspector.${SCRIPT_EXT}" DESTINATION  "${INSTALL_DIR_SCRIPT}"
-            PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_WRITE GROUP_EXECUTE WORLD_READ WORLD_WRITE WORLD_EXECUTE)
+            PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
   else()
     install (FILES "${CMAKE_SOURCE_DIR}/adm/templates/inspector.${SCRIPT_EXT}" DESTINATION  "${INSTALL_DIR_SCRIPT}"
-            PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_WRITE GROUP_EXECUTE WORLD_READ WORLD_WRITE WORLD_EXECUTE)
+            PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
   endif()
 
   set (OpenCASCADE_BINARY_DIR "${INSTALL_DIR}/${INSTALL_DIR_BIN}")