Index: /trunk/ippScripts/scripts/magic_destreak.pl
===================================================================
--- /trunk/ippScripts/scripts/magic_destreak.pl	(revision 24377)
+++ /trunk/ippScripts/scripts/magic_destreak.pl	(revision 24378)
@@ -108,5 +108,5 @@
 
 # default value is "NULL" do not use
-if (defined($recoveryroot) and ($recoveryroot = "NULL")) {
+if (defined($recoveryroot) and ($recoveryroot eq "NULL")) {
     $recoveryroot = undef;
 }