diff --git a/resources/components/fold.html b/resources/components/fold.html
index 540b679..033e008 100644
--- a/resources/components/fold.html
+++ b/resources/components/fold.html
@@ -1,4 +1,4 @@
-<div class="collapse">
+<div class="collapse" :class="{'show': visible}">
     <lazy v-if="lazy" :activate="visible">
         <slot></slot>
     </lazy>
diff --git a/resources/ts/components/messages.ts b/resources/ts/components/messages.ts
index 996236b..5042d23 100644
--- a/resources/ts/components/messages.ts
+++ b/resources/ts/components/messages.ts
@@ -22,7 +22,7 @@ export class MessagesComponent extends Vue {
             this.messages = await response.json();
         }
 
-        this.$emit('updated', this.messages);
+        this.$emit('update', this.messages);
     }
 
     public icon(message: Message) {
diff --git a/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php b/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php
index 4da037c..1999211 100644
--- a/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php
+++ b/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php
@@ -40,10 +40,13 @@ class ZtmGdanskMessageRepository implements MessageRepository
                 'validTo'   => new Carbon($message['endDate']),
             ]);
 
-            $message->setType($this->classifier->classify($message));
+            if ($type = $this->classifier->classify($message)) {
+                $message->setType($type);
+                return $message;
+            }
 
-            return $message;
-        });
+            return null;
+        })->filter()->values();
     }
 
     public function getForStop(Stop $stop): Collection
diff --git a/src/Provider/ZtmGdansk/ZtmGdanskMessageTypeClassifier.php b/src/Provider/ZtmGdansk/ZtmGdanskMessageTypeClassifier.php
index ca67c54..862d73c 100644
--- a/src/Provider/ZtmGdansk/ZtmGdanskMessageTypeClassifier.php
+++ b/src/Provider/ZtmGdansk/ZtmGdanskMessageTypeClassifier.php
@@ -13,7 +13,7 @@ class ZtmGdanskMessageTypeClassifier
                 return Message::TYPE_BREAKDOWN;
 
             case preg_match('#gdansk.pl/powietrze#i', $message->getMessage()):
-                return Message::TYPE_INFO;
+                return false; // spam
 
             default:
                 return Message::TYPE_UNKNOWN;