diff --git a/fan-controller/src/mqtt/packet/ping_request.rs b/fan-controller/src/mqtt/packet/ping_request.rs
index e0417d4..8c9942a 100644
--- a/fan-controller/src/mqtt/packet/ping_request.rs
+++ b/fan-controller/src/mqtt/packet/ping_request.rs
@@ -14,5 +14,6 @@ impl Encode for PingRequest {
         *offset += 1;
         // Setting it to 0, because this might not be 0 if we reuse the buffer
         buffer[*offset] = 0;
+        *offset += 1;
     }
 }