diff --git a/manifest.json b/manifest.json
index 9745b70..fb853f2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "Riot KaTeX for matrix.tu-dresden.de",
-    "version": "1.0.6",
+    "version": "1.0.7",
 
     "description": "Renders formulas on matrix.tu-dresden.de chats using KaTeX.",
 
diff --git a/riot-katex.js b/riot-katex.js
index c689988..3007df1 100644
--- a/riot-katex.js
+++ b/riot-katex.js
@@ -84,7 +84,6 @@
             return observer;
         }
 
-        let last_title = ''
         const header = document.querySelector('title');
 
         // start listening
@@ -92,10 +91,6 @@
 
         // when changing the chat room, we have to create a new listener
         function change_chat_element(mutationsList, observer) {
-            if(last_title === header.textContent)
-                return;
-
-            last_title = header.textContent;
             if (chat_observer) {
                 chat_observer.disconnect();
             }