diff --git a/scratchbox2/rule_lib/fs_rules/dev.lua b/scratchbox2/rule_lib/fs_rules/dev.lua
index 3c87d071..42dd5a92 100644
--- a/scratchbox2/rule_lib/fs_rules/dev.lua
+++ b/scratchbox2/rule_lib/fs_rules/dev.lua
@@ -28,6 +28,8 @@ rules_dev = {
 
 	{name = "rule lib: /dev/shm/*",
 	 dir = "/dev/shm",
+	 func_class = FUNC_CLASS_STAT + FUNC_CLASS_RENAME + FUNC_CLASS_SYMLINK +
+	              FUNC_CLASS_CREAT + FUNC_CLASS_SET_TIMES + FUNC_CLASS_MKNOD,
 	 replace_by = session_dir .. "/tmp"},
 
 	-- We can't change times or attributes of host's devices,