diff --git a/PBot/AntiSpam.pm b/PBot/AntiSpam.pm
index 6c5bb0c2..2bec4376 100644
--- a/PBot/AntiSpam.pm
+++ b/PBot/AntiSpam.pm
@@ -50,7 +50,7 @@ sub is_spam {
 
   my $ret = eval {
     foreach my $space (keys %{ $self->{keywords}->hash }) {
-      next unless not $all_namespaces and $namespace =~ m/^$space$/i;
+      next unless $all_namespaces and $namespace =~ m/^$space$/i;
       foreach my $keyword (keys %{ $self->{keywords}->hash->{$space} }) {
         return 1 if $text =~ m/$keyword/i;
       }