diff --git a/aquatic_http/src/lib/network.rs b/aquatic_http/src/lib/network.rs
index f173cd7..e84065f 100644
--- a/aquatic_http/src/lib/network.rs
+++ b/aquatic_http/src/lib/network.rs
@@ -276,7 +276,7 @@ impl Connection {
                     Err(RequestParseError::NeedMoreData) => {
                         ::log::debug!(
                             "need more request data. current data: {:?}",
-                            std::str::from_utf8(&self.request_buffer)
+                            std::str::from_utf8(&self.request_buffer[..self.request_buffer_position])
                         );
                     }
                 }