diff --git a/mass-rebuild-filter.php b/mass-rebuild-filter.php
index 277ba95..2d51533 100644
--- a/mass-rebuild-filter.php
+++ b/mass-rebuild-filter.php
@@ -33,6 +33,7 @@ function outrunner($msg) {
 }
 
 function runner($msg) {
+    echo "Msg Sha: " . md5($msg->body) . "\n";
     $in = json_decode($msg->body);
 
     try {
@@ -92,7 +93,7 @@ function runner($msg) {
         $msg->delivery_info['channel']->basic_ack($msg->delivery_info['delivery_tag']);
         return true;
     } else {
-        echo "so-called interesting event: " . $in->action . "\n";
+        echo "so-called interesting event on #" . $in->number . ": " . $in->action . "\n";
     }
 
     $forward = [
diff --git a/src/EventClassifier.php b/src/EventClassifier.php
index 2d34481..85ce1da 100644
--- a/src/EventClassifier.php
+++ b/src/EventClassifier.php
@@ -64,6 +64,10 @@ class EventClassifier {
             return "project_column";
         }
 
+        if (self::isLabelEvent($payload)) {
+            return "label";
+        }
+
         throw new EventClassifierUnknownException();
     }
 
@@ -169,6 +173,12 @@ class EventClassifier {
         return isset($payload->project_column);
     }
 
+    public static function isLabelEvent($payload) {
+        return isset($payload->label)
+            && isset($payload->action)
+            && in_array($payload->action,
+                        ['created', 'edited', 'deleted']);
+    }
 
 }