diff --git a/mqrstt/src/packets/macros/properties_macros.rs b/mqrstt/src/packets/macros/properties_macros.rs
index 33d80ba..b7b8438 100644
--- a/mqrstt/src/packets/macros/properties_macros.rs
+++ b/mqrstt/src/packets/macros/properties_macros.rs
@@ -36,7 +36,7 @@ macro_rules! define_properties {
         impl<S> $crate::packets::mqtt_trait::MqttAsyncWrite<S> for $name where S: tokio::io::AsyncWrite + Unpin {
             async fn async_write(&self, stream: &mut S) -> Result<usize, crate::packets::error::WriteError> {
                 let mut bytes_written = 0;
-                $crate::packets::VariableInteger::write_async_variable_integer(&self.wire_len(), stream).await?;
+                bytes_written += $crate::packets::VariableInteger::write_async_variable_integer(&self.wire_len(), stream).await?;
                 $(
                     $crate::packets::macros::properties_write!(self, bytes_written, stream, PropertyType::$prop_variant);
                 )*
diff --git a/mqrstt/src/packets/mod.rs b/mqrstt/src/packets/mod.rs
index 8d6410e..7fd4a0a 100644
--- a/mqrstt/src/packets/mod.rs
+++ b/mqrstt/src/packets/mod.rs
@@ -278,10 +278,12 @@ impl Packet {
             Packet::PingReq => {
                 stream.write_u8(0b1100_0000).await?;
                 stream.write_u8(0).await?; // Variable header length.
+                written += 1;
             }
             Packet::PingResp => {
                 stream.write_u8(0b1101_0000).await?;
                 stream.write_u8(0).await?; // Variable header length.
+                written += 1;
             }
             Packet::Disconnect(p) => {
                 stream.write_u8(0b1110_0000).await?;
@@ -605,7 +607,7 @@ mod tests {
 
         let wire_len = packet.wire_len();
 
-        assert_eq!(res, wire_len);
+        assert_eq!(res, buffer.len());
         assert_eq!(wire_len, buffer.len());
 
         let mut buf = buffer.as_slice();
diff --git a/mqrstt/src/tests/test_packets.rs b/mqrstt/src/tests/test_packets.rs
index 2f9dac1..ffc8f18 100644
--- a/mqrstt/src/tests/test_packets.rs
+++ b/mqrstt/src/tests/test_packets.rs
@@ -324,7 +324,7 @@ pub fn unsubscribe_case() -> Packet {
     let expected = Unsubscribe {
         packet_identifier: 3,
         topics: vec!["test/topic".into()],
-        properties: UnsubscribeProperties { user_properties: vec![] },
+        properties: UnsubscribeProperties { user_properties: vec![("written += 1;".into(), "value".into())] },
     };
 
     Packet::Unsubscribe(expected)