diff --git a/PBot/VERSION.pm b/PBot/VERSION.pm
index d3addf79..23690951 100644
--- a/PBot/VERSION.pm
+++ b/PBot/VERSION.pm
@@ -13,7 +13,7 @@ use warnings;
 # These are set automatically by the build/commit script
 use constant {
   BUILD_NAME     => "PBot",
-  BUILD_REVISION => 782,
+  BUILD_REVISION => 783,
   BUILD_DATE     => "2014-08-31",
 };
 
diff --git a/modules/math.pl b/modules/math.pl
index dfb3ad47..80276ff6 100755
--- a/modules/math.pl
+++ b/modules/math.pl
@@ -22,7 +22,7 @@ my $orig_arguments = $arguments;
 $arguments =~ s/answer.*question of life(,? the universe and everything)?\s?/42/gi;
 $arguments =~ s/meaning of (life|existence|everything)?/42/gi;
 
-if($arguments =~ m/([\$`\|{}"'#@=])/) {
+if($arguments =~ m/([\$`\|{}"'#@=?\[\]])/ or $arguments =~ m/(~~)/) {
   $invalid = $1;
 } else {
   while($arguments =~ /([a-zA-Z0-9]+)/g) {