diff --git a/apps/iot/src/iot.app.src b/apps/iot/src/iot.app.src
index 68e206f..a3483db 100644
--- a/apps/iot/src/iot.app.src
+++ b/apps/iot/src/iot.app.src
@@ -16,7 +16,7 @@
     poolboy,
     mysql,
     esockd,
-    mnesia,
+    % mnesia,
     crypto,
     public_key,
     ssl,