diff --git a/src/headerdef.rs b/src/headerdef.rs
index d46c87d75..d9b1924c7 100644
--- a/src/headerdef.rs
+++ b/src/headerdef.rs
@@ -124,7 +124,7 @@ pub enum HeaderDef {
 
     /// Broadcasted reactions for this or other chat messages.
     /// See broadcast_reactions.rs for the wire format.
-    ChatBroadcastReactions,
+    ChatBroadcastStates,
 
     /// [Autocrypt](https://autocrypt.org/) header.
     Autocrypt,
diff --git a/src/mimefactory.rs b/src/mimefactory.rs
index e79b22ec5..c16f7c085 100644
--- a/src/mimefactory.rs
+++ b/src/mimefactory.rs
@@ -1988,7 +1988,7 @@ impl MimeFactory {
 
         if let Some(broadcast_reactions) = msg.param.get(Param::BroadcastReactions) {
             headers.push((
-                "Chat-Broadcast-Reactions",
+                "Chat-Broadcast-States",
                 mail_builder::headers::raw::Raw::new(b_encode(broadcast_reactions)).into(),
             ));
         }
diff --git a/src/mimeparser.rs b/src/mimeparser.rs
index b826ba3bd..d4d6fc7d7 100644
--- a/src/mimeparser.rs
+++ b/src/mimeparser.rs
@@ -116,7 +116,7 @@ pub(crate) struct MimeMessage {
     pub(crate) mdn_reports: Vec<Report>,
     pub(crate) delivery_report: Option<DeliveryReport>,
 
-    /// Parsed `Chat-Broadcast-Reactions` header, if any:
+    /// Parsed `Chat-Broadcast-States` header, if any:
     /// accumulated reaction updates sent by a broadcast channel owner.
     pub(crate) broadcast_reactions: Option<String>,
 
@@ -800,7 +800,7 @@ impl MimeMessage {
 
     fn parse_broadcast_reactions_header(&mut self) {
         self.broadcast_reactions = self
-            .get_header(HeaderDef::ChatBroadcastReactions)
+            .get_header(HeaderDef::ChatBroadcastStates)
             .map(|s| s.to_string());
     }
 
diff --git a/src/param.rs b/src/param.rs
index 95053ec6d..2f1d66894 100644
--- a/src/param.rs
+++ b/src/param.rs
@@ -73,7 +73,7 @@ pub enum Param {
     /// For Messages: Render message as a RFC 9078 reaction.
     Reaction = b'x',
 
-    /// For Messages: Additional reactions that go to the `Chat-Broadcast-Reactions:` header
+    /// For Messages: Additional reactions that go to the `Chat-Broadcast-States:` header
     BroadcastReactions = b'X',
 
     /// For Chats: the timestamp of the last reaction.
diff --git a/src/reaction/broadcast_reactions.rs b/src/reaction/broadcast_reactions.rs
index 3f6a0e0f0..3077d87be 100644
--- a/src/reaction/broadcast_reactions.rs
+++ b/src/reaction/broadcast_reactions.rs
@@ -21,7 +21,7 @@ use crate::tools::time;
 use crate::{EventType, chatlist_events};
 
 /// Wire format for accumulated broadcast reactions
-/// (sent as JSON from broadcast channel owner to subscriber in `Chat-Broadcast-Reactions:` header)
+/// (sent as JSON from broadcast channel owner to subscriber in `Chat-Broadcast-States:` header)
 #[derive(Debug, Serialize, Deserialize)]
 struct WirePayload {
     messages: Vec<WireMessage>,
@@ -40,7 +40,7 @@ struct WireEntry {
     count: usize,
 }
 
-/// Renders one or more message's reactions as a JSON string, ready to be sent in `Broadcast-Reactions:` header.
+/// Renders one or more message's reactions as a JSON string, ready to be sent in `Chat-Broadcast-States:` header.
 ///
 /// The returned reaction array for a message may be empty,
 /// allowing to broadcast reaction removal.
@@ -166,7 +166,7 @@ async fn broadcast_reactions_for_one_chat(context: &Context, chat_id: ChatId) ->
     Ok(())
 }
 
-/// Applies incoming, accumulated reactions received via the `Chat-Broadcast-Reactions:` header
+/// Applies incoming, accumulated reactions received via the `Chat-Broadcast-States:` header
 /// to the `broadcasted_reactions` table.
 pub(crate) async fn receive_broadcast_reactions(context: &Context, json: &str) -> Result<()> {
     let payload: WirePayload = serde_json::from_str(json)?;
@@ -613,7 +613,7 @@ mod tests {
 
         // Alice broadcasts recent reaction changes to Bob and Claire.
         // On the wire, the hidden message has a header like
-        // `Chat-Broadcast-Reactions: {"messages":[{"id":"123@adc","reactions":[{"emoji":"❤️","count":1}]}]}`
+        // `Chat-Broadcast-States: {"messages":[{"id":"123@adc","reactions":[{"emoji":"❤️","count":1}]}]}`
         maybe_broadcast_reactions(alice).await?;
         let sent_msg = alice.pop_sent_msg().await;
         bob.recv_msg_hidden(&sent_msg).await;