diff --git a/perl-xCAT/xCAT/FSPflash.pm b/perl-xCAT/xCAT/FSPflash.pm
index 43127e918..44c4b7ec0 100644
--- a/perl-xCAT/xCAT/FSPflash.pm
+++ b/perl-xCAT/xCAT/FSPflash.pm
@@ -44,7 +44,11 @@ sub dpush {
 # Parse the command line for options and operands 
 ##########################################################################
 sub parse_args {
-    xCAT::PPCrflash::parse_args(@_);
+    my $req = shift; 
+    $req->{mgt} = __PACKAGE__;
+    my $opt = xCAT::PPCrflash::parse_args($req);
+    delete($req->{mgt});
+    return $opt;
 }
 
 ##########################################################################
diff --git a/perl-xCAT/xCAT/PPCrflash.pm b/perl-xCAT/xCAT/PPCrflash.pm
index 9f7520165..6362624e7 100644
--- a/perl-xCAT/xCAT/PPCrflash.pm
+++ b/perl-xCAT/xCAT/PPCrflash.pm
@@ -51,7 +51,6 @@ sub parse_args {
     my %opt     = ();
     my $cmd     = $request->{command};
     my $args    = $request->{arg};
-
     #############################################
     # Change CEC/Frame node into FSPs/BPAs
     #############################################     
@@ -159,10 +158,15 @@ sub parse_args {
     #--activate's value only can be concurrent and disruptive
     ################################
     if(exists($opt{activate})) {
-        if( ($opt{activate} ne "deferred") && ($opt{activate} ne "disruptive")) {
-            return (usage("--activate's value can only be deferred or disruptive"));
+        if (defined($request->{mgt}) && $request->{mgt} =~ /xCAT::FSP/i) {
+            if ($opt{activate} !~ /deferred|disruptive/) {
+                return (usage("--activate's value can only be deferred or disruptive."));
+            }
+        } else {
+            if(($opt{activate} ne "disruptive") && ($opt{activate} ne "concurrent")) {
+                return (usage("--activate's value can only be disruptive or concurrent."));
+            }
         }
-
         if(!exists( $opt{d} )) {
             $opt{d} = "/tmp";
         }
@@ -540,8 +544,8 @@ sub get_lic_filenames {
     #    }
         } else {
         $msg = $msg . "Upgrade $mtms!";
-            if($activate !~ /^(disruptive|deferred)$/) {
-                $msg = "Option --activate's value shouldn't be $activate, and it must be disruptive or deferred";
+            if($activate !~ /^(disruptive|concurrent)$/) {
+                $msg = "Option --activate's value shouldn't be $activate, and it must be disruptive or concurrent";
                 return ("", "","", $msg, -1);
             }
         }