diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21795995..57ed4099 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 * Starting with Peertube 3.2.0, builtin prosody also activate mod_muc_moderation, enabling moderators to moderate messages.
 * Prosody log level will be the same as the Peertube's one.
 * Prosody log rotation every 24 hour.
+* ConverseJS is using sessionStorage rather than localStorage.
 
 ### Peertube 3.2.0
 
diff --git a/conversejs/builtin.ts b/conversejs/builtin.ts
index 8832f0bc..58afef6c 100644
--- a/conversejs/builtin.ts
+++ b/conversejs/builtin.ts
@@ -133,7 +133,8 @@ window.initConverse = async function initConverse ({
       spoiler: true,
       emoji: true,
       toggle_occupants: true
-    }
+    },
+    persistent_store: 'sessionStorage'
   }
 
   // TODO: params.clear_messages_on_reconnection = true when muc_mam will be available.