diff --git a/travis.pl b/travis.pl
index d35f0a8ad..7dc5ea8de 100644
--- a/travis.pl
+++ b/travis.pl
@@ -272,7 +272,7 @@ sub send_back_comment{
 sub build_xcat_core{
     my @output;
     my @cmds = ("gpg --list-keys",
-                "sed -i '/SignWith: yes/d' $ENV{'PWD'}/build-ubunturepo");
+                "sed -i '/SignWith: /d' $ENV{'PWD'}/build-ubunturepo");
     foreach my $cmd (@cmds){
         print "[build_xcat_core] running $cmd\n";
         @output = runcmd("$cmd");