diff --git a/src/bot/chatProcedure.ts b/src/bot/chatProcedure.ts
index a6670c4..ea2261c 100644
--- a/src/bot/chatProcedure.ts
+++ b/src/bot/chatProcedure.ts
@@ -124,89 +124,44 @@ export class ChatProcedure {
     }
 
     const chatButtonSelectors = [
+      '#chat-button',
       'button[id="chat-button"]',
-      'button[data-tid="chat-button"]',
+      'button[aria-label="Chat"]',
       'button[aria-label*="Chat" i]',
-      'button[aria-label*="chat" i]',
       'button[aria-label*="Unterhaltung" i]',
       'button[aria-label*="Besprechungschat" i]',
       'button[aria-label*="Meeting chat" i]',
-      'button[aria-label*="conversation" i]',
-      '#chat-button',
-      // New Teams: toolbar buttons with data-cid
-      'button[data-cid="chat-button"]',
-      '[data-tid="chat-button"]',
     ];
 
-    for (const selector of chatButtonSelectors) {
-      try {
-        const button = await this._page.$(selector);
-        if (button) {
-          const isVisible = await button.isVisible().catch(() => false);
-          if (!isVisible) continue;
-          await button.click();
-          this._logger.info(`Opened chat panel via selector: ${selector}`);
-          await this._page.waitForTimeout(1500);
-          if (await this._isChatPanelOpen()) return;
-          this._logger.info(`Clicked ${selector} but panel not detected as open, continuing search`);
+    // Poll for the chat button (toolbar renders asynchronously after join)
+    const maxAttempts = 10;
+    const pollIntervalMs = 1500;
+
+    for (let attempt = 1; attempt <= maxAttempts; attempt++) {
+      for (const selector of chatButtonSelectors) {
+        try {
+          const button = await this._page.$(selector);
+          if (button) {
+            const isVisible = await button.isVisible().catch(() => false);
+            if (!isVisible) continue;
+            await button.click();
+            this._logger.info(`Opened chat panel via: ${selector} (attempt ${attempt}/${maxAttempts})`);
+            await this._page.waitForTimeout(1500);
+            if (await this._isChatPanelOpen()) return;
+            this._logger.info(`Clicked ${selector} but panel not detected as open yet`);
+          }
+        } catch {
+          // Continue
         }
-      } catch {
-        // Continue
+      }
+
+      if (attempt < maxAttempts) {
+        this._logger.info(`Chat button not found yet, retry ${attempt}/${maxAttempts} in ${pollIntervalMs}ms`);
+        await this._page.waitForTimeout(pollIntervalMs);
       }
     }
 
-    // Fallback: find chat-like toolbar buttons by scanning all toolbar buttons
-    const toolbarFound = await this._page.evaluate(() => {
-      const allButtons = document.querySelectorAll(
-        '[data-tid*="toolbar"] button, [role="toolbar"] button, ' +
-        '#calling-unified-bar button, [data-tid="call-controls"] button, ' +
-        'button[data-tid]'
-      );
-      for (const btn of Array.from(allButtons) as HTMLElement[]) {
-        const label = (
-          btn.getAttribute('aria-label') || btn.getAttribute('title') ||
-          btn.innerText || ''
-        ).toLowerCase();
-        if (
-          label.includes('chat') || label.includes('unterhaltung') ||
-          label.includes('besprechungschat') || label.includes('meeting chat') ||
-          label.includes('conversation')
-        ) {
-          btn.click();
-          return `toolbar-scan: "${label}"`;
-        }
-      }
-      return null;
-    });
-
-    if (toolbarFound) {
-      this._logger.info(`Opened chat panel via ${toolbarFound}`);
-      await this._page.waitForTimeout(1500);
-      if (await this._isChatPanelOpen()) return;
-    }
-
-    // Log all toolbar buttons for diagnostics
-    const toolbarDiag = await this._page.evaluate(() => {
-      const btns = document.querySelectorAll(
-        '[data-tid*="toolbar"] button, [role="toolbar"] button, ' +
-        '#calling-unified-bar button, button[data-tid]'
-      );
-      return Array.from(btns).slice(0, 20).map((b) => {
-        const el = b as HTMLElement;
-        return {
-          tid: el.getAttribute('data-tid') || '',
-          label: el.getAttribute('aria-label') || '',
-          title: el.getAttribute('title') || '',
-          text: (el.innerText || '').substring(0, 40),
-          visible: el.offsetHeight > 0,
-        };
-      });
-    }).catch(() => []);
-
-    this._logger.warn(
-      `Could not find chat button - chat will not work. ` +
-      `Toolbar buttons found: ${JSON.stringify(toolbarDiag)}`
-    );
+    this._logger.warn('Could not find chat button after polling - chat will not work');
   }
 
   /**