--- xnu/xnu-344.49/iokit/Kernel/IONVRAM.cpp
+++ xnu/xnu-517.3.15/iokit/Kernel/IONVRAM.cpp
@@ -261,7 +261,7 @@
   if (_ofDict == 0) return 0;
   
   // Verify permissions.
-  result = IOUserClient::clientHasPrivilege(current_task(), "root");
+  result = IOUserClient::clientHasPrivilege(current_task(), kIOClientPrivilegeAdministrator);
   if (result != kIOReturnSuccess) {
     variablePerm = getOFVariablePerm(aKey);
     if (variablePerm == kOFVariablePermRootOnly) return 0;
@@ -294,7 +294,7 @@
   if (_ofDict == 0) return false;
   
   // Verify permissions.
-  result = IOUserClient::clientHasPrivilege(current_task(), "root");
+  result = IOUserClient::clientHasPrivilege(current_task(), kIOClientPrivilegeAdministrator);
   if (result != kIOReturnSuccess) {
     propPerm = getOFVariablePerm(aKey);
     if (propPerm != kOFVariablePermUserWrite) return false;