diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index d25a1b7..8c7b622 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -1788,6 +1788,7 @@
     }
 
     public boolean needMobileRadioShutdown() {
+        enforceReadPrivilegedPermission("needMobileRadioShutdown");
         /*
          * If any of the Radios are available, it will need to be
          * shutdown. So return true if any Radio is available.