diff --git a/rootdir/init.qcom.rc b/rootdir/init.qcom.rc
index 26d6f5a..4b005c2 100644
--- a/rootdir/init.qcom.rc
+++ b/rootdir/init.qcom.rc
@@ -427,6 +427,7 @@ on boot
 
     # Permission for fast dormancy for RIL
     chown system radio /sys/devices/virtual/sec/bamdmux/waketime
+    chmod 777 /sys/devices/virtual/sec/bamdmux/waketime
 
     # Permissions for gpio_keys
     chown system radio /sys/class/sec/sec_key/wakeup_keys