diff --git a/package.cmake b/package.cmake
index 24960d5..e9a21e7 100644
--- a/package.cmake
+++ b/package.cmake
@@ -24,7 +24,9 @@ if(UNIX)
 
   get_os_release_info(os_name os_version)
 
-  if("${os_name}" STREQUAL "clear-linux-os")
+  if(DEFINED ETC_DIR)
+    set(_dir_etc ${ETC_DIR})
+  elseif("${os_name}" STREQUAL "clear-linux-os")
     # clear-linux-os distribution avoids /etc for distribution defaults.
     set(_dir_etc "/usr/share/defaults/etc")
   else()