diff --git a/rootdir/etc/init.exynos7904.rc b/rootdir/etc/init.exynos7904.rc
index ed1c29d..9308a03 100644
--- a/rootdir/etc/init.exynos7904.rc
+++ b/rootdir/etc/init.exynos7904.rc
@@ -398,6 +398,9 @@ on boot
     chmod 0660 /sys/class/sec/switch/uart_sel
     chown system system /sys/class/sec/switch/uart_sel
 
+# Prevents permission denied error for telephony
+    chmod 0644 /proc/cmdline
+
 on fs
     mount_all /vendor/etc/fstab.${ro.hardware}
     # We need to seperate mounting SEC_EFS partition from fstab file due to GSI image loading case