diff --git a/F1DataBot.pm b/F1DataBot.pm
index 9604baa..a049fa6 100644
--- a/F1DataBot.pm
+++ b/F1DataBot.pm
@@ -38,7 +38,7 @@ sub new {
     };
 
     # load remembered update ids
-    $Self->{UpdateIDs} = YAML::LoadFile('update_ids.yml');
+    $Self->{MessageIDs} = YAML::LoadFile('message_ids.yml');
 
     return $Self;
 }
@@ -393,17 +393,17 @@ sub fetchMessages {
 
     MESSAGE:
     for my $Message (@Messages) {
-        $Self->{LogObject}->info('fetchMessages: Calling processMessage');
-        if ($Self->{UpdateIDs}{$Message->{update_id}}) {
-            $Self->{LogObject}->info('fetchMessages: Skipping known update_id');
+        if ($Self->{MessageIDs}{$Message->{message}{message_id}}) {
+            $Self->{LogObject}->info('fetchMessages: Skipping known message_id');
             next MESSAGE;
         }
         else {
-            $Self->{UpdateIDs}{$Message->{update_id}} = 1;
+            $Self->{LogObject}->info('fetchMessages: Calling processMessage');
+            $Self->{MessageIDs}{$Message->{message}{message_id}} = 1;
             $Self->processMessage( Message => $Message, );
         }
     }
-    YAML::DumpFile('update_ids.yml', $Self->{UpdateIDs});
+    YAML::DumpFile('message_ids.yml', $Self->{MessageIDs});
 }
 
 1;