diff --git a/tools/tinderbox/build-seamonkey-util.pl b/tools/tinderbox/build-seamonkey-util.pl
index cb3089396eb4..cc8e2a990a22 100644
--- a/tools/tinderbox/build-seamonkey-util.pl
+++ b/tools/tinderbox/build-seamonkey-util.pl
@@ -24,7 +24,7 @@ use Config;         # for $Config{sig_name} and $Config{sig_num}
 use File::Find ();
 use File::Copy;
 
-$::UtilsVersion = '$Revision: 1.309 $ ';
+$::UtilsVersion = '$Revision: 1.310 $ ';
 
 package TinderUtils;
 
@@ -1681,7 +1681,7 @@ sub run_all_tests {
     unlink("$binary_dir/components/compreg.dat") or warn "$binary_dir/components/compreg.dat not removed\n";
     if($Settings::RegxpcomTest) {
         my $args;
-        if ($Settings::ProductName =~ /^(Firefox|Thunderbird)$/) {
+        if ($Settings::ProductName =~ /^(Firefox|Thunderbird|SeaMonkey)$/) {
             $args = [$binary, "-register"];
         } else {
             $args = ["$binary_dir/regxpcom"];