diff --git a/rebar.config b/rebar.config
index fb8d1bddc..37f3894b9 100644
--- a/rebar.config
+++ b/rebar.config
@@ -18,6 +18,10 @@
 
 {validate_app_modules, true}.
 
+%% plugins cannot find emqttd.hrl without ".." lib dirs:(
+%% but this setting will make deps apps collision
+{lib_dirs, ["../"]}.
+
 {sub_dirs, [
     "rel",
     "plugins/*/"]}.