diff --git a/browser/base/content/tabbrowser.xml b/browser/base/content/tabbrowser.xml
index 76d36f9f79d..1684d381dab 100644
--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -4255,6 +4255,7 @@
           browser.removeAttribute("crashedPageTitle");
           let tab = this.getTabForBrowser(browser);
           tab.setAttribute("crashed", true);
+          tab.removeAttribute("soundplaying");
           this.setIcon(tab, icon);
         ]]>
       </handler>