diff --git a/src/gatt/event.rs b/src/gatt/event.rs
index bd09d94..353071c 100644
--- a/src/gatt/event.rs
+++ b/src/gatt/event.rs
@@ -12,9 +12,11 @@ pub enum Event {
 }
 
 #[derive(Debug)]
+#[non_exhaustive]
 pub struct ReadRequest {
     pub offset: u16,
     pub response: ResponseSender,
+    pub mtu: u16,
 }
 
 #[derive(Debug)]
diff --git a/src/peripheral/bluez/gatt/characteristic.rs b/src/peripheral/bluez/gatt/characteristic.rs
index 03c4d3e..add80d8 100644
--- a/src/peripheral/bluez/gatt/characteristic.rs
+++ b/src/peripheral/bluez/gatt/characteristic.rs
@@ -77,6 +77,8 @@ impl Characteristic {
                 ("value",),
                 |mut ctx, cr, (options,): (OptionsMap,)| {
                     let offset = options.get("offset").and_then(RefArg::as_u64).unwrap_or(0) as u16;
+                    let mtu = options.get("mtu").and_then(RefArg::as_u64).unwrap_or(23) as u16;
+
                     let characteristic = cr
                         .data_mut::<GattDataType>(ctx.path())
                         .unwrap()
@@ -93,6 +95,7 @@ impl Characteristic {
                             .send(gatt::event::Event::ReadRequest(gatt::event::ReadRequest {
                                 offset,
                                 response: sender,
+                                mtu,
                             }))
                             .await
                             .map_err(|_| MethodErr::from((BLUEZ_ERROR_FAILED, "")))?;
diff --git a/src/peripheral/bluez/gatt/descriptor.rs b/src/peripheral/bluez/gatt/descriptor.rs
index 3fc6f4e..cf18e37 100644
--- a/src/peripheral/bluez/gatt/descriptor.rs
+++ b/src/peripheral/bluez/gatt/descriptor.rs
@@ -38,6 +38,7 @@ impl Descriptor {
                 ("value",),
                 |mut ctx, cr, (options,): (OptionsMap,)| {
                     let offset = options.get("offset").and_then(RefArg::as_u64).unwrap_or(0) as u16;
+                    let mtu = options.get("mtu").and_then(RefArg::as_u64).unwrap_or(23) as u16;
                     let descriptor = cr
                         .data_mut::<GattDataType>(ctx.path())
                         .unwrap()
@@ -54,6 +55,7 @@ impl Descriptor {
                             .send(gatt::event::Event::ReadRequest(gatt::event::ReadRequest {
                                 offset,
                                 response: sender,
+                                mtu,
                             }))
                             .await
                             .map_err(|_| MethodErr::from((BLUEZ_ERROR_FAILED, "")))?;