diff --git a/PBot/Factoids.pm b/PBot/Factoids.pm
index 1b592571..82d87ace 100644
--- a/PBot/Factoids.pm
+++ b/PBot/Factoids.pm
@@ -265,7 +265,7 @@ sub interpreter {
     $self->factoids->hash->{$channel}->{$keyword}->{ref_count}++;
     $self->factoids->hash->{$channel}->{$keyword}->{ref_user} = $nick;
     $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on} = gettimeofday;
-    $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} = $from;
+    $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} = $from || "stdin";
 
     return $self->{factoidmodulelauncher}->execute_module($from, $tonick, $nick, $user, $host, $keyword, $arguments);
   }
@@ -281,7 +281,7 @@ sub interpreter {
     $self->factoids->hash->{$channel}->{$keyword}->{ref_count}++;
     $self->factoids->hash->{$channel}->{$keyword}->{ref_user} = $nick;
     $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on} = gettimeofday;
-    $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} = $from;
+    $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} = $from || "stdin";
 
     $self->{pbot}->logger->log("(" . (defined $from ? $from : "(undef)") . "): $nick!$user\@$host): $keyword: Displaying text \"" . $self->factoids->hash->{$channel}->{$keyword}->{action} . "\"\n");
 
diff --git a/PBot/VERSION.pm b/PBot/VERSION.pm
index afa31cca..bdd423d5 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 => 250,
+  BUILD_REVISION => 251,
   BUILD_DATE     => "2011-01-24",
 };